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Dicionário de Informática - extensão de arquivos


Volta ao Menu Principal


Termos compilados via Internet por DORNELLES Carlos Alberto - Analista de Sistemas - Brasília DF.

Clique na letra desejada: | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Extensao | Domínios |

      

Tenho um arquivo em meu disco rígido com o nome balão.bmp e não sei a que programa ele pertence!

Esta dúvida quanto a que programa pertence um determinado arquivo pode ser esclarecida observando as extensão dos mesmos e analisando assim qual programa é responsável por ele. Abaixo segue uma lista com algumas das principais e mais comuns extensões de arquivos. Para quem não sabe o que é uma extensão de arquivo, são as três letras que vem logo após o  nome do arquivo. 
Exemplo:
   Logo.txt - .txt é a extensão do arquivo logo, e significa que o mesmo é um arquivo de texto.

Porque meu Windows não mostra as extensões dos meus arquivos?

É por que o Windows por padrão mantém esta configuração de ocultar as extensões dos arquivos. Para o que o Windows passe a mostrar as extensões, abra o Windows Explorer, vá até o menu "Exibir" e clique em "Opções de Pastas". Uma vez feito isso, selecione a guia "Modo de Exibição". Finalmente marque a opção "Mostrar todos os Arquivos" e desmarque o item "Ocultar extensões para tipos de arquivos conhecidos". Dê "OK" na janela e proto, agora seus arquivos serão visualizados com suas devidas extensões. Este processo é para o Windows 98, mas é bem parecido para o Windows 95, ME e 2K.

Lista de Extensões:


.#24	Printer data file for 24 pin matrix printer (LocoScript)
.#ib	Printer data file (LocoScript)
.#sc	Printer data file (LocoScript)
.#st	Standard mode printer definitions (LocoScript)
.$$$	Temporary file
.$00	Pipe file (DOS)
.$db	Temporary file (dBASE IV)
.$ed	Editor temporary file (MS C)
.$o1	Pipe file (DOS)
.$vm	Virtual manager temporary file (Windows 3.x)
.000	Compressed harddisk data (DoubleSpace)
.001	Fax (many)
.075	75x75 dpi display font (Ventura Publisher)
.085	85x85 dpi display font (Ventura Publisher)
.091	91x91 dpi display font (Ventura Publisher)
.096	96x96 dpi display font (Ventura Publisher)
.0b	Printer font with lineDraw extended character set (PageMaker)
.1    	Roff/nroff/troff/groff source for manual page (cawf2.zip)
.15u	Printer font with PI font set (PageMaker)
.1st	Usually README.1ST text
.301	Fax (Super FAX 2000 - Fax-Mail 96))
.386	Intel 80386 processor driver (Windows 3.x)
.3ds	Graphics (3D Studio)
.3fx	Effect (CorelChart)
.3gr	Data file (Windows Video Grabber)
.3t4	Binary file converter to ASCII (Util3)
.4c$	Datafile (4Cast/2)
.4sw	4dos Swap File
.4th	Forth source code file (ForthCMP - LMI Forth)
.669	Music (8 channels) (The 669 Composer)
.6cm	Music (6 Channel Module) (Triton FastTracker)
.8	A86 assembler source code file
.8cm	Music (8 Channel Module) (Triton FastTracker)
.8m	Printer font with Math 8 extended character set (PageMaker)
.8u	Printer font with Roman 8 extended character set (PageMaker)
.a	Ada source code file
.a	Library (unix)
.a11	Graphics AIIM image file
.ab6	Datafile (ABStat)
.ab8	Datafile (ABStat)
.abk	Automatic backup file (CorelDRAW)
.abs	Abstracts (info file)
.abs	Data file (Abscissa)
.aca	Project (Project Manager Workbench)
.acb	Graphics (ACMB)
.acc	Program (DR-DOS - ViewMax) (GEM / resident)
.act	Actor source code file
.act	Foxdoc Action Diagrams (FoxPro)
.act	Presentation (Action!)
.ad	Screen saver data (AfterDark)
.ada	Ada source code file
.adb	Ada Package Body
.adc	Bitmap graphics (16 colors) (Scanstudio)
.adi	Graphics (AutoCAD)
.adl	Mca adapter description library (QEMM)
.adn	Add-in (Lotus 1-2-3)
.ads	Ada Package Specification
.adt	Datafile for cardfile application (HP NewWave)
.adt	Fax (AdTech)
.adx	Document (Archetype Designer)
.af2	Flowchart (ABC FlowCharter 2.0)
.afi 	Truevision bitmap graphics
.afl 	Font file (for Allways) (Lotus 1-2-3)
.afm	Type 1 font metric ASCII data for font installer (ATM - many)
.afm	Datafile for cardfile application (HP NewWave)
.ai 	Vector graphics (Adobe Illustrator)
.ain	Compressed file archive created by AIN
.aio	APL file transfer format file
.ais	Array of Intensity Samples graphics (Xerox)
.aix	Datafile for cardfile application (HP NewWave)
.all  	Format file for working pages (Always)
.all 	General printer information (WordPerfect for Win)
.all 	Symbol and font files (Arts & Letters)
.alt	Menu file (WordPerfect Library)
.amf	Music (Advanced Module Format)
.amg	Compressed file archive created by AMGC
.amg	System image file (Actor)
.ani	Animation (Presidio - many)
.anm	Animation (Deluxe Paint Animator)
.ann	Help Annotations (Windows 3.x)
.ans	Ansi graphics (character animation)
.ans	Ascii text ANSI character set (NewWave Write)
.aos	Add-On Software (Nokia 9000)
.ap	Compressed Amiga file archive created by WHAP
.ap	Datafile (Datalex EntryPoint 90)
.apc	Printer driver (Lotus 1-2-3)
.apd	Printer driver (Lotus 1-2-3)
.apf	Printer driver (Lotus 1-2-3)
.api	Passed parameter file (1st Reader)
.api	Printer driver (Lotus 1-2-3)
.apl	APL work space format file
.app	Add-in application file (Symphony)
.app	Application object file (dBASE Application Generator)
.app	Executable application file (DR-DOS - NeXTstep - Atari)
.app	Generated application (FoxPro)
.apr	Employee performance review (Employee Appraiser)
.apr	Lotus Approach File
.apx	Appexpert database file (Borland C++ 4.5)
.arc	Compressed file archive created by ARC (arc602.exe/pk361.exe)
.arc	Compressed file archive created by SQUASH (squash.arc)
.arf	Automatic Response File
.ari	Compressed file archive created by ARI
.arj	Compressed file archive created by ARJ (arj241.exe)
.ark	Arc file archive created by CP/M port of ARC file archiver
.ark	Compressed file archive created by QUARK
.arr	Arrangement (Atari Cubase)
.art	Graphics (scrapbook) (Art Import)
.art	Raster graphics (First Publisher)
.arx	Compressed file archive created by ARX
.asc	Ascii text file
.asc	Transport armor file (PGP)
.asd	Autosave file (Word for Windows)
.asd	Presentation (Astound)
.asd	Screen driver (Lotus 1-2-3)
.asf	Datafile (STATGRAPHICS)
.asf	Screen font (Lotus 1-2-3)
.ash	Assembly language header file (TASM 3.0)
.asi	Assembler include file (Turbo C - Borland C++)
.asm	Assembly source code file
.aso	Assembler object (object orientated) file (Turbo Assembler)
.asp	Aspect source code file (Procomm Plus)
.asp	Association of Shareware Professionals OMBUDSMN.ASP notice
.at2	Auto template (Aldus Persuasion 2.0)
.atm	Adobe Type Manager data/info
.au	Sound (audio) file (SUN Microsystems)
.aux	Auxillary references (TeX/LaTeX)
.aux	Auxiliary dictionary (ChiWriter)
.ava	Publication (Avagio)
.avi	Audio Video Interleaved animation file (Video for Windows)
.aw	Text file (HP AdvanceWrite)
.awk	Awk script/program
.awm	Movie (Animation Works)
.aws	Data (STATGRAPHICS)
.b  	Batch list (APPLAUSE)
.b&w	Black and white graphics (atari - mac)
.b&w	Mono binary screen image (1st Reader)
.b1n	Both mono and color binary screen image (1st Reader)
.b30	Printer font (JLaser - Cordata) (Ventura Publisher)
.b8	Raw graphics (one byte per pixel) plane two (PicLab)
.b_w	Black and white graphics (atari - mac)
.bad	Bad file (Oracle)
.bak	Backup file
.bal	Music score (Ballade)
.bar	Horizontal bar menu object file (dBASE Application Generator)
.bas	Basic source code file
.bat	Batch file (DOS)
.bb	Database backup (Papyrus)
.bbl	Bibliographic reference (TeX/BibTeX)
.bbm	Brush (Deluxe Paint)
.bbs	Bulletin Board System announce or text info file
.bch	Batch process object file (dBASE Application Generator)
.bch	Datafile (Datalex EntryPoint 90)
.bco	Outline font description (Bitstream)
.bcp	Borland C++ makefile
.bcw	Environment settings (Borland C++ 4.5)
.bdf	Bitmap Distribution Format font file (X11)
.bdf	Datafile (Egret)
.bdr	Border (MS Publisher)
.bez	Outline font description (Bitstream)
.bf2	Bradford 2 font
.bfm	Font metrics (unix/Frame)
.bfx	Fax (BitFax)
.bga	Bitmap graphics
.bgi	Borland Graphics Interface device driver
.bib	Bibliography (ASCII)
.bib	Database - not compatible with TeX format (Papyrus)
.bib	Literature database (TeX/BibTeX)
.bif 	Binary Image Format b&w graphics (Image Capture board)
.bin	Binary file
.bio	OS/2 BIOS
.bit	Bitmap X11
.bk	Faxbook (JetFax)
.bk!	Document backup (WordPerfect for Win)
.bk1	Timed backup file for document window 1 (WordPerfect for Win)
.bk2	Timed backup file for document window 2 (WordPerfect for Win)
.bk3	Timed backup file for document window 3 (WordPerfect for Win)
.bk4	Timed backup file for document window 4 (WordPerfect for Win)
.bk5	Timed backup file for document window 5 (WordPerfect for Win)
.bk6	Timed backup file for document window 6 (WordPerfect for Win)
.bk7	Timed backup file for document window 7 (WordPerfect for Win)
.bk8	Timed backup file for document window 8 (WordPerfect for Win)
.bk9	Timed backup file for document window 9 (WordPerfect for Win)
.bkp	Backup file (Write - TurboVidion DialogDesigner)
.bkw	Mirror image of font set (FontEdit)
.bld	Bloadable picture (BASIC)
.blk	Temporary file (WordPerfect for Win)
.bm	Bitmap graphics
.bmk	Help Bookmarks (Windows 3.x)
.bmp	Bitmap graphics (PC Paintbrush - many)
.bnk	Adlib instrument bank file
.boo	Compressed file ASCII archive created by BOO (msbooasm.arc)
.bpc	Chart (Business Plan Toolkit)
.bpt	Bitmap fills file (CorelDRAW)
.br	Script (Bridge)
.brd	Eagle Layout File
.brk	Fax (Brooktrout Fax-Mail)
.bsa	Compressed file archive created by BSARC
.bsc	Compressed Apple II file archive created by BINSCII
.bsc	Database (Source Browser)
.bsc	Pwbrmake object file (MS Fortran)
.btm	Batch To Memory batch file (4DOS)
.bug	Bugs and Problems
.bup	Backup file
.but	Button definitions (Buttons!)
.buy	Datafile format (movie)
.bv1	Overflow file below insert point in Doc 1 (WordPerfect for Win)
.bv2	Overflow file below insert point in Doc 2 (WordPerfect for Win)
.bv3	Overflow file below insert point in Doc 3 (WordPerfect for Win)
.bv4	Overflow file below insert point in Doc 4 (WordPerfect for Win)
.bv5	Overflow file below insert point in Doc 5 (WordPerfect for Win)
.bv6	Overflow file below insert point in Doc 6 (WordPerfect for Win)
.bv7	Overflow file below insert point in Doc 7 (WordPerfect for Win)
.bv8	Overflow file below insert point in Doc 8 (WordPerfect for Win)
.bv9	Overflow file below insert point in Doc 9 (WordPerfect for Win)
.bwb	Spreadsheet application (Visual Baler)
.bwr	Beware (buglist) (Kermit)
.c	C source code file
.c	Compressed unix file archive created by COMPACT
.c++	C++ source code file
.c--	Source code (Sphinx C--)
.c00	Print file (Ventura Publisher)
.c86	C source code file (Computer Innovation C86)
.ca	Initial cache data for root domain servers (Telnet)
.cac	dBASE IV executable when caching on/off (see cachedb.bat)
.cad	Document (Drafix Windows CAD)
.cal	Calendar file (Windows 3.x)
.cal	Spreatsheet (SuperCalc)
.can	Fax (Navigator Fax)
.cap	Caption (Ventura Publisher)
.cap	Session capture file (Telix)
.cat	Catalog (dBASE IV)
.cbc	Fuzzy logic system (CubiCalc)
.cbl	Cobol source code file
.cbm	Compiled bitmap graphics (XLib)
.cbt	Computer Based Training (many)
.cc	C++ source code file
.ccc	Bitmap graphics (native format) (Curtain Call)
.ccf	Communications configuration file (Symphony)
.cch	Chart (CorelChart)
.ccl	Communication Command Language file (Intalk)
.cco	Btx Graphics file (XBTX)
.cdb	Card database (CardScan)
.cdb	Main database (TCU Turbo C Utilities)
.cdf	Graphics (netcdf)
.cdk	Document (Atari Calamus)
.cdr	Vector graphics (CorelDRAW native format)
.cdt	Data (CorelDraw 4.0)
.cdx	Compound index (FoxPro)
.ce	Main.ce (The FarSide Computer Calendar)
.ceg	Bitmap graphics (Tempra Show - Edsun Continuous Edge Graphics)
.cel	Graphics (Autodesk Animator - Lumena)
.cf 	Configuration file (imake)
.cfg	Configuration
.cfl 	Chart (CorelFLOW)
.cfn	Font data (Atari Calamus)
.cfo	C Form Object internal format object file (TCU Turbo C Utilities)
.cfp	Fax (The Complete Fax Portable)
.cga	CGA display font (Ventura Publisher)
.cgi	Common Gateway Interface script
.cgm	Computer Graphics Metafile vector graphics (A&L - HG - many)
.ch	Header file (Clipper 5)
.ch3	Chart (Harvard Graphics 3.0)
.ch4	Presentation (Charisma 4.0)
.chd	Font descriptor (FontChameleon)
.chi	Document (ChiWriter)
.chk	Recovered data (ChkDsk)
.chk	Temporary file (WordPerfect for Win)
.chl	Configuration History Log
.chn	Data (Ethnograph 3)
.chp	Chapter file (Ventura Publisher)
.chr	Character set (Turbo C - Turbo Pascal)
.cht	Chart (Harvard Graphics 2.0 - SoftCraft Presenter)
.cht	Interface file for ChartMaster (dBASE)
.cif	Caltech Intermediate Format graphics
.cif	Chapter information (Ventura Publisher)
.cix	Database index (TCU Turbo C Utilities)
.ckb	Keyboard mapping (Borland C++ 4.5)
.cl	Common LISP source code file
.clp	Clip art graphics (Quattro Pro)
.clp	Clipboard file (Windows 3.x)
.clp	Compiler script file (clip list) (Clipper 5)
.clr	Color binary screen image (1st Reader)
.clr	Color definitions (Photostyler)
.cls	C++ class definition file
.cm	Data file (CraftMan)
.cmd	Batch file (OS/2)
.cmd	Command (dBASE - Waffle)
.cmd	External command menu (1st Reader)
.cmf	FM-music file (Creative Music File)
.cmk	Card (Card Shop Plus)
.cmm	Cmm script (batch) file (CEnvi)
.cmp	Header file for PostScript printer files (CorelDRAW)
.cmp	User dictionary (MS Word for DOS)
.cmp	Bitmap graphics (Lead CMP compression)
.cmv	Animation (CorelMove CorelDraw 4.0)
.cnc	CNC general program data
.cnf	Configuration (program - printer setup)
.cnv	Data conversion support file (Word for Windows)
.cnv	Temporary file (WordPerfect for Win)
.cob	Cobol source code file
.cod	Datafile (Forecast Plus - MS Multiplan - StatPac Gold)
.cod	Program compiled code (FORTRAN)
.cod	Template source file (dBASE Application Generator)
.cod	Videotext file
.col	Color palette (Autodesk Animator - many)
.col	Spreadsheet (MS Multiplan)
.com	Command (memory image of executable program) (DOS)
.con	Configuration file (Simdir)
.cpd	Script (Complaints Desk)
.cpf	Fax (The Complete Fax)
.cpi	Code Page Information file (DOS)
.cpi	Colorlab Processed Image bitmap graphics
.cpl	Control panel file (Windows 3.x)
.cpl	Presentation (Compel)
.cpp	C++ source code file
.cpp	Presentation (CA-Cricket Presents)
.cps	Backup of startup files by Central Point PC Tools autoexec.cps
.cps	coloured postscript files 
.cpt	Compressed Mac file archive created by COMPACT PRO (ext-pc.zip)
.cpt	Encrypted memo file (dBASE)
.cpt	Template (CA-Cricket Presents)
.cpz	Music text file (COMPOZ)
.crd	Cardfile (Windows 3.x - YourWay)
.crf	Cross-reference (MS MASM - Zortech C++)
.crp	Encrypted database (dBASE IV)
.crs	File Conversion Resource (WordPerfect 5.1)
.crt	Terminal settings information (Oracle)
.cru	Compressed file archive created by CRUSH
.csg	Graph (Statistica/w)
.csm	Precompiled headers (Borland C++ 4.5)
.csp	Pc Emcee Screen Image file (Computer Support Corporation)
.css	Datafile (CSS - Stats+)
.css	Datasheet (Statistica/w)
.csv	Comma Separated Values text file format (ASCII)
.csv	Adjusted EGA/VGA palette (CompuShow)
.ctc	Control file (PC Installer)
.ctf	Character code translation file (Symphony)
.ctl	Control file (dBASE IV - Aldus Setup)
.ctx	Course TeXt file (Microsoft online guides)
.ctx	Ciphertext file (Pretty Good Privacy RSA System)
.cuf	C Utilities Form definition (TCU Turbo C Utilities)
.cur	Cursor image file (Windows 3.x)
.cut	Bitmap graphics (Dr. Halo)
.cv4	Color file (CodeView)
.cvp	Cover page (WinFax)
.cvs	Graphics (Canvas)
.cvt	Backup file for CONVERTed database file (dBASE IV)
.cvw	Color file (CodeView)
.cxx	C++ source code file (Zortech C++)
.dat	Data file in special format or ASCII
.db	Configuration (dBASE IV - dBFast)
.db	Database (Paradox - Smartware)
.db$	Temperature debug info (Clarion Modula-2)
.db$	Temporary file (dBASE)
.db2	Database (dBASE II)
.db3	Database (dBASE III)
.dba	Datafile (DataEase)
.dbd	Business data (Business Insight)
.dbd	Debug info (Clarion Modula-2)
.dbf	Database file (dBASE III/IV - FoxPro - dBFast - DataBoss)
.dbg	Symbolic debugging information (MS C/C++)
.dbk	Database backup (dBASE IV)
.dbm	Datafile (DataEase)
.dbm	Menu template (DataBoss)
.dbo	Compiled program (dBASE IV)
.dbs	Database in SQL Windows format
.dbs	Datafile (PRODAS)
.dbs	Printer description file (Word - Works)
.dbt	Data Base Text (Clipper)
.dbt	Foxbase+ style memo (FoxPro)
.dbt	Memo file for database w/same name (dBASE IV - dBFast)
.dbw	Windows file (DataBoss)
.dca	Document Content Architecture text file (IBM DisplayWrite)
.dcf	Disk image file
.dcp	Data CodePage (OS/2)
.dcs	Bitmap graphics (CYMK format) (QuarkXPress)
.dcs	Datafile (ACT! Activity Files)
.dct	Database dictionary (Clarion Database Developer)
.dct	Spell checking dictionary (Harvard Graphics 3.0 - Symphony)
.dcx	Bitmap graphics (Multipage PCX)
.dd	Compressed Macintosh file archive created by DISKDOUBLER
.ddb	Bitmap graphics
.ddi	Diskdupe Image file (ddupe322.zip)
.ddp	Device Driver Profile file (OS/2)
.deb	Debug script (DOS Debug)
.def	Assembly header file (Geoworks)
.def	Defaults - definitions
.dem	Demonstration
.dem	Graphics (VistaPro)
.dev	Device driver
.dfd	Data Flow Diagram graphic (Prosa)
.dfi	Outline font description (Digifont)
.dfl	Default program settings (Signature)
.dfm	Data Flow Diagram model file (Prosa)
.dfs	Delight Sound File
.dfv	Printing form (Word)
.dgn	Graphics (MicroStation)
.dgs	Diagnostics
.dh	Dependency information for .ph (Geoworks)
.dhp	Dr. Halo PIC Format graphics (Dr. Halo II - III)
.dht	Datafile (Gauss)
.dia	Diagraph graphics (Computer Support Corporation)
.dib	Bitmap graphics (Device-Independent Bitmap)
.dic	Dictionary
.dif	Database (VisiCalc)
.dif	Output from Diff command - script for Patch command
.dif	Text file (Data Interchange Format)
.dip	Graphics
.dir	Dialing directory file (Procomm Plus)
.dir	Directory file (VAX)
.dir	Movie (MacroMind Director 4.x)
.dis	Distribution file (VAX Mail)
.dis	Thesaurus (CorelDraw)
.diz	Description file (Description In Zip)
.dkb	Raytraced graphics (DKBTrace)
.dl	Animation (Italian origin)
.dld	Data (Lotus 1-2-3)
.dlg	Dialog resource script file (MS Windows SDK)
.dll	Dynamic Link Library (Windows 3.x - OS/2)
.dll	Export/import filter (CorelDRAW)
.dls	Setup (Norton Disklock)
.dmo	Demo (Derive)
.dmp	Dump file (eg. screen or memory)
.dms	Compressed Amiga file archive created by DISKMASHER
.doc	Document text file
.dog	Screen file (Laughing Dog Screen Maker)
.doh	Dependency information for .poh (Geoworks)
.dos	External command file (1st Reader)
.dos	Network driver (eg. pkt_dis.dos)
.dos	Text file containing DOS specific info
.dot	Line-type definition file (CorelDRAW)
.dot	Template (Word for Windows)
.dox	Text file (MultiMate 4.0)
.doz	Description Out of Zip (VENDINFO)
.dp	Calendar file (Daily Planner)
.dp	Data file (DataPhile)
.dpr	Default project- and state-related information (Borland C++)
.drs	Display Resource (WordPerfect for Win)
.drv	Device driver eg. for printer
.drw	Vector graphics (Micrografx Designer)
.ds4	Vector graphics (Micrografx Designer 4.0)
.dsc	Discard file (Oracle)
.dsd	Database (DataShaper)
.dsk	Project desktop file (Borland C++ - Turbo Pascal)
.dsm	Digital sound module (DSI)
.dsn	Design (Object System Designer)
.dsp	Display parameters (Signature)
.dsp	Graphics display driver (Dr.Halo)
.dsr	Driver Resource (WordPerfect for Win)
.dss	Screensaver file (DCC)
.dss	Sound (Digital Soup)
.dsw	Desktop settings (Borland C++ 4.5)
.dt_	Data fork of a Macintosh file (Mac-ette)
.dta	Data file (Turbo Pascal - PC-File - Stata)
.dtf	Database file (PFS - Q&A)
.dtp	Document (Timeworks Publisher3)
.dtp	Publication (Publish-It!)
.dvc	Data (Lotus 1-2-3)
.dvi	Device Independent document (TeX)
.dvp	Desqview Program Information file (DESQview)
.dvp	Device parameter file (AutoCAD)
.dw2	Drawing (DesignCAD for windows)
.dwc	Compressed file archive created by DWC (dwc-a501.exe)
.dwg	Drawing (Drafix)
.dwg	Drawing database (AutoCAD)
.dx	Text file (DEC WPS/DX format - DEC WPS Plus)
.dxf	Drawing Interchange File Format vector graphics (AutoCAD)
.dxn	Fax (Fujitsu dexNET)
.dyn	Data (Lotus 1-2-3)
.ebj	Error-checking object file (Geoworks)
.edt	Default settings (VAX Edt editor)
.eeb	Button bar for Equation Editor (WordPerfect for Win)
.eft	High resolution screen font (ChiWriter)
.efx	Fax (Everex EFax)
.ega	EGA display font (Ventura Publisher)
.el	Elisp source code file (Emacs lisp)
.elc	Compiled ELISP code (Emacs lisp)
.elt	Event list text file (Prosa)
.emf	Enchanced Metafile graphics
.emu	Terminal emulation data (BITCOM)
.enc	Encoded file - UUENCODEd file (Lotus 1-2-3 - uuexe515.exe)
.enc	Music (Encore)
.end	Arrow-head definition file (CorelDRAW)
.eng	Dictionary engine (Sprint)
.eng	Graphics (charting) (EnerGraphics)
.env	Enveloper macro (WOPR)
.env	Environment file (WordPerfect for Win)
.epd	Publication (Express Publisher)
.epi	Document (Express Publisher)
.eps	Encapsulated PostScript vector graphics (Adobe Illustrator)
.eps	Printer font (Epson - Xerox...) (Ventura Publisher)
.eqn	Equation (WordPerfect for Win)
.erd	Entity Relationship Diagram graphic file (Prosa)
.erm	Entity Relationship Diagram model file (Prosa)
.err	Error log
.err	Error messages for command line compilers
.esh	Extended Shell batch file
.eth	Document (Ethnograph 3)
.etx	Structure Enhanced (setext) text
.evt	Event log
.evy	Document (WordPerfect Envoy)
.ewd	Document (Express Publisher for Windows)
.ex3	Device driver (Harvard Graphics 3.0)
.exc	Rexx source code file (VM/CMS)
.exc	Exclude file for Optimize (do not process) (QEMM)
.exe	Directly executable program (DOS)
.exm	Msdos executable, system-manager compliant (HP calculator)
.ext	Extension file (Norton Commander)
.exx	Intermediate file by MsgPut (IBM LinkWay)
.ezf	Fax (Calculus EZ-Fax)
.f	Fortran source code file
.f	Compressed file archive created by FREEZE
.f01	Fax (perfectfax)
.f06	Dos screen text font - height 6 pixels (fntcol13.zip)
.f07	Dos screen text font - height 7 pixels (fntcol13.zip)
.f08	Dos screen text font - height 8 pixels (fntcol13.zip)
.f09	Dos screen text font - height 9 pixels (fntcol13.zip)
.f10	Dos screen text font - height 10 pixels (fntcol13.zip)
.f11	Dos screen text font - height 11 pixels (fntcol13.zip)
.f12	Dos screen text font - height 12 pixels (fntcol13.zip)
.f13	Dos screen text font - height 13 pixels (fntcol13.zip)
.f14	Dos screen text font - height 14 pixels (fntcol13.zip)
.f16	Dos screen text font - height 16 pixels (fntcol13.zip)
.f2r	Linear module (music) (Farandole)
.f3r	Blocked module (music) (Farandole)
.f77	Fortran 77 source code file
.f96	Fax (Frecom FAX96)
.fac	Face graphics
.faq	Frequently Asked Questions text file
.far	Music
.fax	Fax (raster graphics) (most Fax programs)
.fc	Spell checking dictionary (Harvard Graphics 2.0)
.fcm	Binary file patch file (forward compression)(jlpak10.zip)
.fd	Declaration file (MS Fortran)
.fd	Field offsets for compiler (DataFlex)
.fdw	Form (F3 Design and Mapping)
.feb	Button bar for Figure Editor (WordPerfect for Win)
.ff	Outline font description (Agfa Compugraphics)
.fff	Fax (defFax)
.fft	Dca/FFT Final Form Text text file (DisplayWrite)
.fh3	Vector graphics (Aldus FreeHand 3.x)
.fh4	Vector graphics (Aldus FreeHand 4.x)
.fi	Interface file (MS Fortran)
.fif	Fractal Image Format file
.fil	File template (Application Generator)
.fil	Files list object file (dBASE Application Generator)
.fil	Overlay (WordPerfect)
.fin	Print-formatted text file (Perfect Writer - Scribble - MINCE)
.fit	Fits graphics
.fit	File Index Table (WindowsNT)
.fix	Patch file
.fky	Macro file (FoxPro)
.flb	Format library (Papyrus)
.flc	Animation (Autodesk Animator)
.fld	Folder (Charisma)
.fli	Tex font library (EmTeX)
.fli	Animation (Autodesk Animator)
.flm	Film Roll (AutoCAD/AutoShade)
.flo	Micrografx FlowCharter
.flt	Filter file (Micrografx Picture Publisher)
.flt	Support file (Asymetrix ToolBook) - graphics filter
.flx	Compiled binary (DataFlex)
.fm	Spreatsheet (FileMaker Pro)
.fm1	Spreadsheet (Lotus 1-2-3 release 2.x)
.fm3	Device driver (Harvard Graphics 3.0)
.fm3	Spreadsheet (Lotus 1-2-3 release 3.x)
.fmb	File Manager Button bar (WordPerfect for Win)
.fmf	Font or icon file (IBM LinkWay)
.fmk	Makefile (Fortran PowerStation)
.fmo	Compiled format file (dBASE IV)
.fmt	Format file (dBASE IV - FoxPro - Clipper 5 - dBFast)
.fmt	Style sheet (Sprint)
.fn3	Font file (Harvard Graphics 3.0)
.fnt	Font file (many)
.fnx	Inactive font (Exact)
.fo1	Font file (Borland Turbo C)
.fo2	Font file (Borland Turbo C)
.fol	Folder of saved messages (1st Reader)
.fon	Dialing directory file (Telix)
.fon	Font file (many - Windows 3.x font library)
.fon	Log of all calls (Procomm Plus)
.for	Fortran source code file
.for	Form (WindowBase)
.fot	Installed Truetype font (Windows Font Installer)
.fp	Configuration file (FoxPro)
.fpc	Catalog (FoxPro)
.fpt	Memo (FoxPro)
.fpw	Floorplan drawing (FloorPLAN plus for Windows)
.fr3	Renamed dBASE III+ form file (dBASE IV)
.frf	Font (FontMonger)
.frg	Uncompiled report file (dBASE IV)
.frm	Form (Visual Basic)
.frm	Report file (dBASE IV - Clipper 5 - dBFast)
.frm	Text (order form)
.fro	Compiled report file (dBASE IV)
.frp	Form (PerForm PRO Plus - FormFlow)
.frs	Screen Font Resource (WordPerfect for Win)
.frt	Report memo (FoxPro)
.frx	Report (FoxPro)
.fsl	Form (Paradox for Windows)
.fsm	Farandoyle Sample format music
.fst	Linkable program (dBFast)
.fsx	Data (Lotus 1-2-3)
.ftm	Font file (Micrografx)
.ftp	Configuration (FTP Software PC/TCP)
.fw	Database (FrameWork)
.fw2	Database (Framework II)
.fw3	Database (Framework III)
.fx	On-line guide (FastLynx)
.fxd	Phonebook (FAXit)
.fxp	Compiled format (FoxPro)
.fxs	Fax Transmit Format graphics (WinFax)
.g	Data chart (APPLAUSE)
.g8	Raw graphics (one byte per pixel) plane three (PicLab)
.gam	Fax (GammaFax)
.gbl	Global definitions (VAXTPU editor)
.gc1	Lisp source code (Golden Common Lisp 1.1)
.gc3	Lisp source code (Golden Common Lisp 3.1)
.gcd	Graphics
.gdf	Dictionary file (GEOS)
.ged	Editor's native file format (Arts & Letters)
.ged	Graphics editor file (EnerGraphics)
.gem	Vector graphics (GEM - Ventura Publisher)
.gen	Compiled template (dBASE Application Generator)
.gen	Generated text (Ventura Publisher)
.geo	Geode (Geoworks)
.gfb	Compressed GIF image created by GIFBLAST (gifblast.exe)
.gft	Font (NeoPaint)
.gib	Chart (Graph-in-the-Box)
.gif	Graphics Interchange Format bitmap graphics (CompuShow)
.giw	Presentation (Graph-in-the-Box for Windows)
.gl	Animation (GRASP GRAphical System for Presentation)
.glm	Datafile (Glim)
.gls	Datafile (Across)
.gly	Glossary (MS Word)
.gmf	CGM graphics (APPLAUSE)
.gmp	Geomorph tile map (SPX)
.goc	Goc source code file (Geoworks)
.goh	Goc header file (Geoworks)
.gp	Geode parameter file (Geoworks Glue)
.gph	Graph (Lotus 1-2-3/G)
.gpk	Omnigo program package
.gr2	Screen driver (Windows 3.x)
.gra	Datafile (SigmaPlot)
.grb	Ms-DOS Shell Monitor file (MS-DOS 5)
.grf	Graph file (Graph Plus - Charisma)
.grp	Group file (Windows 3.x - Papyrus)
.grp	Pictures group (PixBase)
.gry	Raw GREY graphics
.gs1	Presentation (GraphShow)
.gsd	Vector graphics (Professional Draw)
.gsw	Worksheet (GraphShow)
.gup	Data (PopMail)
.gxl	Graphics library (Genus)
.gz	Compressed file archive created by GZIP (GNU zip)
.h	Header file
.h!	On-line help file (Flambeaux Help! Display Engine)
.h++	Header file (C++)
.h--	Header file (Sphinx C--)
.ha	Compressed file archive created by HA (ha098.zip)
.hap	Compressed file archive created by HAP (hap303re.zip)
.hbk	Handbook (Mathcad)
.hdf	Hierarchical Data File graphics (SDSC Image Tools)
.hdf	Help file (Help Development Kit)
.hdl	Alternate download file listing (Procomm Plus)
.hdr	Pc-File+ Database header
.hdr	Datafile (Egret)
.hdr	Message header text (Procomm Plus - 1st Reader)
.hdw	Vector graphics (Harvard Draw)
.hdx	Help index (AutoCAD - Zortech C++)
.hex	Hex dump
.hfi	Hp Font Info file (GEM)
.hgl	Hp Graphics Language graphics
.hh	C++ header file
.hhh	Precompiled header file (Power C)
.hhp	Help information for remote users (Procomm Plus)
.hin	Molecule (HyperChem)
.hlb	Help library (VAX)
.hlp	Help information
.hmm	Alternate Mail Read option menu (Procomm Plus)
.hnc	CNC program files Heidenhain (?) dialog
.hof	Hall Of Fame (game scores)
.hp8	Ascii text HP Roman8 character set (NewWave Write)
.hpf	Hp LaserJet fonts (PageMaker)
.hpg	HPGL plotter file vector graphics (AutoCad - Harvard Graphics)
.hpi	Font information file (GEM)
.hpj	Help project (MS Help Compiler)
.hpk	Compressed file archive created by HPACK (hpack75.zip)
.hpm	Emm text (HP NewWave)
.hpm	Alternate Main menu for privileged users (Procomm Plus)
.hpp	C++ header file (Zortech C++)
.hqx	Compressed Macintosh ASCII archive created by BINHEX (xbin23.zip)
.hrf	Graphics (Hitachi Raster Format)
.hrm	Alternate Main menu for limited/normal users (Procomm Plus)
.hs2	Monochrome image (Postering)
.hsi	Handmade Software Inc. graphics - almost JPEG (Image Alchemy)
.hst	History file (Procomm Plus)
.htm	HyperText Markup Language document
.htx	Hypertext file
.hwd	Presentation (Hollywood)
.hxm	Alternate Protocol Selection menu for all users (Procomm Plus)
.hxx	C++ header file
.hy1	Hyphenation algorithms (Ventura Publisher)
.hy2	Hyphenation algorithms (Ventura Publisher)
.hyc	Data (WordPerfect)
.hyd	Hyphenation dictionary (WordPerfect for Win)
.hyp	Compressed file archive created by HYPER (hyper25.zip)
.i	Intermediate file (Borland C++ 4.5)
.iax	Bitmap graphics (IBM Image Access eXecutive)
.ibm	Compressed file archive created by ARCHDOS (Internal IBM only)
.ica	Bitmap graphics (Image Object Content Architecture)
.icb	Bitmap graphics
.icn	Icon source code file
.ico	Icon (Windows 3.x)
.id	Disk identification file
.ide	Project (Borland C++ 4.5)
.idw	Vector graphics (IntelliDraw)
.idx	Index (many - FoxPro)
.ifd	Form (JetForm Design)
.iff	Interchange File Format bitmap graphics/sound (Amiga)
.iff	Sun TAAC Image File Format (SDSC Image Tool)
.ifp	Script (KnowledgeMan)
.ifs	Fractal image compressed file (Yuvpak)
.ifs	System file (OS/2) hpfs.ifs
.ilb	Data (Scream Tracker)
.ilk	Outline of program's format (MS ILink incremental linker)
.im8	Sun raster graphics
.ima	Mirage vector graphics (EGO, Chart, Autumn)
.img	Bitmap graphics (Ventura Publisher - GEM Paint)
.imp	Spreadsheet (Lotus Improv)
.imq	Image presentation (ImageQ)
.in$	Installation file (HP NewWave)
.in3	Input device driver (Harvard Graphics 3.0)
.inb	Test script (Vermont HighTest)
.inc	Include file (several programming languages)
.ind	Index (dBASE IV)
.inf	Type 1 LaserJet font information file (soft font installers)
.inf	Information text file (ASCII)
.inf	Install script
.ini	Initialization file
.ink	Pantone reference fills file (CorelDRAW)
.ins	Data (WordPerfect)
.ins	Installation script (1st Reader)
.ins	Instrument music file (Adlib)
.int	Borland Interface Units
.int	Program saved in Internal (semi-compiled) format (Signature)
.inx	Index (Foxbase)
.io	Compressed file archive created by CPIO
.iob	3d graphics database in TDDD format
.ioc	Organizational chart (Instant ORGcharting!)
.ion	4dos descript.ion file (file descriptions)
.ipl	Pantone Spot reference palette file (CorelDRAW)
.irs	Resource (WordPerfect)
.isd	Spelling Checker dictionary (RapidFile)
.ish	Compressed file archive created by ISH
.iso	ISO-9660 table
.it	Settings (intalk)
.itf	Interface file (JPI TopSpeed Pascal)
.iw	Presentation flowchart (IconAuthor - HSC InterActive)
.iwa	Text file (IBM Writing Assistant)
.iwp	Text file (Wang)
.izt	Izl binary token file (IZL)
.jas	Graphics
.jav	Java source code file
.jbd	Datafile (SigmaScan)
.jbx	Project file (Project Scheduler 4)
.jet	Fax (Hybrid JetFax)
.jff	Bitmap graphics (JPEG File Interchange Format)
.jor	Journal file SQL
.jou	Journal backup (VAX Edt editor)
.jpc	Graphics (Japan PIC)
.jpg	Bitmap graphics (Joint Photography Experts Group)
.jtf	Fax (Hayes JT Fax)
.jtf	Bitmap graphics (JPEG Tagged Interchange Format)
.jw	Text document (JustWrite)
.jwl	Library (JustWrite)
.jzz	Spreatsheet (Jazz)
.kar	Midi file with karaoke word track
.kb	Keyboard script (Borland C++ 4.5)
.kb	Program source (Knowledge Pro)
.kbd	Keyboard mapping (LocoScript - Signature - Procomm Plus)
.kbm	Keyboard mapping (Reflection 4.0)
.kcl	Lisp source code (Kyoto Common Lisp)
.kex	Macro (KEDIT)
.key	Datafile (Forecast Pro)
.key	Keyboard macros
.key	Security file eg. Shareware Registration info
.kpp	Toolpad (SmartPad)
.kps	Ibm KIPS bitmap graphics
.kyb	Keyboard mapping (FTP Software PC/TCP)
.l	Lex source code file
.l	Lisp source code file
.l	Linker directive file (WATCOM wlink)
.lab	Datafile (NCSS - SOLO)
.lab	Mailing labels (Q+E for MS Excel)
.lay	Word chart layout (APPLAUSE)
.lbg	Label generator data (dBASE IV)
.lbl	Label (dBASE IV - Clipper 5 - dBFast)
.lbm	Bitmap graphics (DeluxePaint)
.lbm	Linear bitmap graphics (XLib)
.lbo	Compiled label (dBASE IV)
.lbr	Compressed file archive created by LU (lue220.arc)
.lbr	Display driver (Lotus 1-2-3)
.lbt	Label memo (FoxPro)
.lbx	Label (FoxPro)
.lcf	Linker Control File (Norton Guides compiler)
.lck	Lockfile (Paradox)
.lcl	Data (FTP Software PC/TCP)
.lcn	Lection (WordPerfect)
.lcs	Datafile (ACT! History Files)
.lcw	Spreadsheet (Lucid 3-D)
.ld	Long Distance codes file (Telix)
.ld1	Overlay file (dBASE)
.ldb	Data (MS Access)
.ldf	Library definition file (Geoworks Glue)
.les	Lesson (check *.cbt)
.lev	Level file (NetHack 3.x)
.lex	Lexicon (dictionary) (many)
.lft	Laser printer font (ChiWriter)
.lg	Logo procedure definitions (LSRHS Logo)
.lgo	Logo for header and footer (SuperFax)
.lgo	Startup logo code (Windows 3.x)
.lha	Compressed file archive created by LHA/LHARC (lha255b.exe)
.lhw	Compressed Amiga file archive created by LHWARP
.lib	Library file (several programming languages)
.lif	Logical Interchange Format data file (Hewlett-Packard)
.lif	Compressed file archive
.lim	Compressed file archive created by LIMIT (limit12.zip)
.lin	Line types (AutoCAD)
.lis	Listing (VAX)
.lj	Text file for HP LJ II printer
.ll3	Laplink III related file (document) (LapLink III)
.lnk	Linker response file (.RTLink)
.lod	Load file
.log	Log file
.lpc	Printer driver (TEKO)
.lrf	Linker response file (MS C/C++)
.lrs	Language Resource File (WordPerfect for Win)
.lsp	Lisp source code file (Xlisp)
.lss	Spreadsheet (Legato)
.lss	Lotus Script
.lst	Keyboard macro (1st Reader)
.lst	List file (archive index - compiler listfile)
.lst	Spool file (Oracle)
.ltm	Form (Lotus Forms)
.lwd	Text document (LotusWorks)
.lwp	Text document (Lotus WordPro)
.lzd	Difference file for binaries (Ldiff 1.20)
.lzh	Compressed file archive created by LHA/LHARC (lha255b.exe)
.lzs	Compressed file archive created by LARC (larc333.zip)
.lzw	Compressed Amiga file archive created by LHWARP
.m	Function (program) (Matlab)
.m	Macro module (Brief)
.m	Standard package (Mathematica)
.m11	Text file (MASS11)
.m3	Modula 3 source code file
.m3d	3d animation macro
.m4	M4 preprocessor file (unix)
.m_u	Backup of boot sector, FAT and boot dir (MazeGold)
.ma3	Macro (Harvard Graphics 3.0)
.mac	Bitmap graphics (Macintosh MacPaint)
.mac	Macro
.mag	Woody Lynn's MAG graphics format (MPS Magro Paint System)
.mai	Mail (VAX)
.mak	Makefile
.mak	Project file (Visual Basic)
.man	Command manual
.map	Color palette
.map	Format data (Micrografx Picture Publisher)
.map	Linker map file
.map	Map (Atlas MapMaker)
.map	Network map (AccView)
.mar	Assembly program (VAX Macro)
.mas	Smartmaster set (Freelance Graphics)
.mat	Data file (Matlab)
.max	Max source code file
.mb	Memo field values for database (Paradox)
.mbk	Multiple index file backup (dBASE IV)
.mbx	Mailbox (Eudora/Zerberus)
.mcc	Configuration file (Mathcad)
.mcd	Document (Mathcad)
.mcf	Font file (Mathcad)
.mci	Mci command script (Media Control Interface)
.mcp	Application script (Capsule)
.mcp	Printer driver (Mathcad)
.mcw	Text file (MacWrite II)
.md	Compressed file archive created by MDCD (mdcd10.arc)
.mda	Data (MS Access)
.mdb	Database (MS Access)
.mdl	Model (3D Design Plus)
.mdl	Spreadsheet (CA-Compete!)
.mdm	Modem definition (TELIX)
.mdt	Data table (MS ILink incremental linker)
.mdx	Multiple index file (dBASE IV)
.me	Usually ASCII text file READ.ME
.meb	Macro Editor bottom overflow file (WordPerfect Library)
.med	Macro Editor delete save (WordPerfect Library)
.med	Music (OctaMED)
.mem	Macro Editor macro (WordPerfect Library)
.mem	Memory variable save file (Clipper - dBASE IV - FoxPro)
.meq	Macro Editor print queue file (WordPerfect Library)
.mer	Macro Editor resident area (WordPerfect Library) (vakioalue)
.mes	Macro Editor work space file (WordPerfect Library)
.mes	Message
.met	Macro Editor top overflow file (WordPerfect Library)
.met	Document (Omnipage Pro)
.meu	Menu group (DOS Shell)
.mex	Mex file (executable command) (Matlab)
.mex	Macro Editor expound file (WordPerfect Library)
.mf	Metafont text file
.mgf	Font (Micrografx)
.mib	Snmp MIB file
.mid	Standard MIDI file (music synthetizers)
.mii	Datafile (MicroStat-II)
.mix	Object file (Power C)
.mk	Makefile
.mke	Makefile (MS Windows SDK)
.mki	Japanese graphics MAKIchan format (MagView 0.5)
.mks	Data (TACT)
.ml3	Project (Milestones 3.x)
.mlb	Macro library file (Symphony)
.mm	Text file (MultiMate Advantage II)
.mmf	Mail message file (MS Mail)
.mmm	Movie (RIFF RMMP format) (MacroMind Director 3.x)
.mmo	Memo writer file (RapidFile)
.mmp	Output video format from Bravado board
.mnd	Menu source (AutoCAD Menu Compiler)
.mng	Map (DeLorme Map'n'Go)
.mnt	Menu memo (FoxPro)
.mnu	Advanced macro (HP NewWave)
.mnu	Menu (AutoCAD Menu Compiler - Norton Commander - Signature)
.mnx	Compiled menu (AutoCAD)
.mnx	Menu (FoxPro)
.mny	Account book (MS Money)
.mob	Device definition (PEN Windows)
.mod	Modula-2 source code file (Clarion Modula-2)
.mod	Windows kernel module
.mod	Music (FastTracker - many)
.mon	Monitor description (ReadMail)
.mov	Movie (AutoCAD AutoFlix)
.mp2	Mpeg audio file (xing)
.mpc	Calender file (MS Project)
.mpg	Mpeg animation
.mpm	Mathplan macro (WordPerfect Library)
.mpp	Project file (MS Project)
.mpr	Generated program (FoxPro)
.mpr	Lotus Approach Smartmaster
.mpt	Bitmap graphics (Multipage TIFF)
.mpv	View file (MS Project)
.mpx	Compiled menu program (FoxPro)
.mrb	Multiple Resolution Bitmap graphics (MS C/C++)
.mrs	Macro Resource file (WordPerfect for Win)
.msc	Microsoft C makefile
.msg	Message
.msp	Bitmap graphics (Microsoft Paint)
.mss	Manuscript text file (Perfect Writer - Scribble - MINCE - Jove)
.mst	Minispecification file (Prosa)
.mst	Setup script (MS Windows SDK)
.msw	Text file (MS Word)
.msx	Compressed CP/M file archive created by MSX
.mth	Math file (Derive)
.mtm	Multitracker Module music
.mtw	Datafile (Minitab)
.mu	Menu (Quattro Pro)
.mus	Sound file (MusicTime)
.mvf	Stop frame file (AutoCAD AutoFlix)
.mvi	Movie command file (AutoCAD AutoFlix)
.mvw	Log file (Saber LAN)
.mwf	Animation (ProMotion)
.mwp	Lotus Approach Smartmaster
.mxt	Data (MS C)
.myp	Presentation (MM Make Your Point)
.nap	Naplps file (VideoShow) (EnerGraphics)
.nb	Text file (Nota Bene)
.nc	Graphics (netcdf)
.nc	Instructions for NC (Numerical Control) machine (CAMS)
.ncc	Cnc (Computer Numeric Control) control file (CamView 3D)
.ncd	Norton Change Directory support file (Norton Commander)
.ndb	Network database (Intellicom - Compex)
.ndx	Index file (dBASE II - III - IV - dBFast)
.neo	Raster graphics (Atari Neochrome)
.net	Network configuration/info file
.new	New info
.nfo	Info file
.ng	Online documentation database (Norton Guide)
.nlm	Netware Loadable Module
.nlx	Form (FormWorx 3.0)
.np	Project schedule (Nokia Planner) (Visual Planner 3.x)
.npi	Source for DGEN.EXE intepreter (dBASE Application Generator)
.nst	Music (NoiseTracker)
.nt	Startup files (Windows NT)
.ntr	Executable ASCII text file (strip header and rename) (netrun31.zip)
.nts	Tutorial (Norton)
.nts	Executable ASCII text file (strip header and rename) (netsend1.zip)
.ntx	Index (Clipper 5)
.nuf	Message for new users on their 1st call (Procomm Plus)
.nws	Info text file (latest news) (ASCII)
.nxt	Sound (NeXT format)
.o	Object file (unix - Atari - GCC)
.o$$	Outfile (Sprint)
.oaz	Fax (NetFax Manager)
.ob	Object cut/paste file (IBM LinkWay)
.obj	Object code (Intel Recolatable Object Module)
.obr	Object browser data file (Borland C++)
.obs	Script (ObjectScript)
.obv	Visual interface (ObjectScript)
.ocf	Object Craft File (Object Craft)
.ocr	Incoming fax transcribed to text (FAXGrapper)
.ocx	OLE custom control
.odl	Type library source (Visual C++)
.ofd	Form definition (ObjectView)
.off	Object File Format vector graphics
.okt	Music (Oktalizer)
.olb	Object library (VAX)
.old	Backup file
.oli	Text file (Olivetti)
.oom	Swap file (Shroom)
.opn	Active options (Exact)
.opt	Optimize support file (QEMM)
.opw	Organization chart (Org Plus for Windows)
.opx	Inactive options (Exact)
.ora	Parameter file (Oracle)
.org	Calendar file (Lotus Organizer)
.otl	Outline font description (Z-Soft Type Foundry)
.otx	Text file (Olivetti Olitext Plus)
.out	Output file
.ov1	Overlay file (part of program to be loaded when needed)
.ov2	Overlay file (part of program to be loaded when needed)
.ovd	Datafile (ObjectVision)
.ovl	Overlay file (part of program to be loaded when needed)
.ovr	Overlay file (part of program to be loaded when needed)
.p	Pascal source code file
.p	Rea-C-Time application parameter file (ReaGeniX code generator)
.p	Picture file (APPLAUSE)
.p16	Music (16 channels) (ProTracker Studio 16)
.p22	Patch file (Patch22)
.pa1	Worktable (PageAhead)
.pac	Stad Image (graphics ?)
.pac	Package (SBStudio II)
.pad	Keypad definition (Telemate)
.pak	Compressed file archive created by PAK (pak251.exe)
.pal	Color palette
.pan	Printer-specific file (copy to coreldrw.ink) (CorelDRAW)
.par	Parts application (Digitalk PARTS)
.par	Parameter file (Fractint)
.par	Permanent output file (Windows 3.x)
.pas	Pascal source code file
.pat	Hatch patterns (AutoCAD - Photostyler)
.pat	Vector fill files (CorelDRAW)
.pb	Fax (FAXability Plus)
.pb	Phonebook (WinFax Pro)
.pb	Setup file (PixBase)
.pb1	Document (First Publisher for Windows)
.pba	Powerbasic BASIC source code (Genus)
.pbd	Phone book (FaxNOW! - Faxit)
.pbi	Powerbasic include file (Genus)
.pbi	Profiler Binary Input (MS Source Profiler)
.pbl	Powerbasic library (Genus)
.pbm	Pbm Portable Bit Map graphics
.pbm	Planar bitmap graphics (XLib)
.pbo	Profiler Binary Output (MS Source Profiler)
.pbt	Profiler Binary Table (MS Source Profiler)
.pc	Text file containing IBM PC specific info
.pc3	Custom palette (Harvard Graphics 3.0)
.pc8	Ascii text IBM8 character set (NewWave Write)
.pcc	Cutout picture vector graphics (PC Paintbrush)
.pcd	Graphics (Kodak PhotoCD)
.pcf	Profiler Command File (MS Source Profiler)
.pch	Patch file
.pch	Precompiled header (MS C/C++)
.pcj	Multimedia authoring tool graphics (IBM's Linkaway-Live)
.pck	Pickfile (Turbo Pascal)
.pcl	HP-PCL graphics data (HP Printer Control Language)
.pct	Bitmap graphics (Macintosh b&w PICT1 - color PICT2)
.pcw	Text file (PC Write)
.pcx	Bitmap graphics (PC Paintbrush)
.pda	Bitmap graphics
.pdb	Data (TACT)
.pdf	Package Definition File
.pdf	Graphics file (ED-SCAN 24bit format)
.pdl	Project Description Language file (Borland C++ 4.5)
.pds	Pds graphics
.pds	Pldasm source code file (hardware assembly)
.pdv	Printer driver (Paintbrush)
.pdw	Document (Professional Draw)
.peb	Program Editor bottom overflow file (WordPerfect Library)
.ped	Program Editor delete save (WordPerfect Library)
.pem	Program Editor macro (WordPerfect Library)
.peq	Program Editor print queue file (WordPerfect Library)
.per	Program Editor resident area (WordPerfect Library) (vakioalue)
.pes	Program Editor work space file (WordPerfect Library)
.pet	Program Editor top overflow file (WordPerfect Library)
.pfa	Type 3 font file (unhinted PostScript font)
.pfb	Type 1 font file
.pfc	Text file (First Choice)
.pfk	Programmable function keys (XTreePro)
.pfm	Windows Type 1 font metric file
.pfs	Database (PFS:FILE) - text file (PFS:Write)
.pft	Printer font (ChiWriter)
.pg	Page cut/paste file (IBM LinkWay)
.pgi	Printer Graphics File device driver (PGRAPH library)
.pgm	Portable Grayscale bitMap graphics
.pgm	Program (Signature)
.pgp	Support file (Pretty Good Privacy RSA System)
.pgs	Manual page (man4dos)
.ph	Optimized .goh file (Geoworks)
.ph	Perl header file
.ph	Phrase-table (MS C/C++)
.phn	Phone list (UltraFax - QmodemPro)
.pho	Phone database (Metz Phone for Windows)
.phr	Phrases (LocoScript)
.pic	Pixar picture file (SDSC Image Tool)
.pic	Bitmap graphics (Macintosh b&w PICT1 - color PICT2)
.pic	Bitmap graphics (many eg. Lotus 1-2-3 - PC Paint)
.pif	Program Information File (Windows 3.x)
.pif	Vector graphics GDF format (IBM mainframe computers)
.pit	Compressed Mac file archive created by PACKIT (unpackit.zoo)
.pix	Alias image file (SDSC Image Tool)
.pj	Project (CA-SuperProject)
.pjt	Project memo (FoxPro)
.pjx	Project (FoxPro)
.pk	Packed bitmap font bitmap file (TeX DVI drivers)
.pka	Compressed file archive created by PKARC
.pkg	Installer script (Next)
.pkt	Fidonet packet
.pl	Perl source code file
.pl	Prolog source code file
.pl	Property List font metric file (TeX)
.pl	Palette (Harvard Graphics)
.pl1	Room plan (3D Home Architect)
.pl3	Chart palette (Harvard Graphics 3.0)
.plb	Library (FoxPro)
.plc	Add-in file (functions - macros - applications) (Lotus 1-2-3)
.pll	Pre-linked library (Clipper 5)
.pln	Spreadsheet (WordPerfect for Win)
.plt	Hpgl plotter file vector graphics (AutoCAD)
.plt	Palette
.plt	Pre-linked transfer file (Clipper 5)
.ply	Data (PopMail)
.ply	Presentation screen (Harvard Spotlight)
.pm	Bitmap graphics (Presentation Manager)
.pm3	Document (PageMaker 3)
.pm4	Document (PageMaker 4)
.pm5	Document (PageMaker 5)
.pmc	Graphics (A4TECH Scanner)
.pmm	Program file (Amaris BTX/2)
.pn3	Printer device driver (Harvard Graphics 3.0)
.png	Bitmap graphics (Portable Network Graphics)
.pnm	Pbm Portable aNy Map (PNM) graphics
.pnt	Macintosh painting
.pnt	Qwk reader pointer file (MarkMail 2.x)
.poh	Optimized .goh file (Geoworks)
.pop	Messages index (PopMail)
.pop	Pop-up menu object (dBASE Application Generator)
.pov	Raytraced graphics image (Persistence Of Vision)
.pow	Chord chart (PowerChords)
.pp	Compressed Amiga file archive created by POWERPACKER
.ppb	Button bar for Print Preview (WordPerfect for Win)
.ppl	Polaroidpaletteplus ColorKey device driver (Harvard Graphics 3.0)
.ppm	Portable Pixel Map graphics
.ppo	Pre-processor output (Clipper 5)
.ppp	Publication (PagePlus)
.pps	Storyboard (Personal Producer)
.ppt	General file extension (PowerPoint)
.pr2	Presentation (Aldus Persuasion 2.x)
.pr2	Printer driver (dBASE IV)
.pr3	Postscript printer driver (dBASE IV)
.pr3	Presentation (Aldus Persuasion 3.x)
.prd	Printer driver (many)
.pre	Presentation (Freelance Graphics)
.pre	Settings (Programmer's WorkBench - MS C/C++)
.prf	Pixel Run Format graphics (Improces - Fastgraph)
.prf	Printer driver (dBASE IV)
.prf	Profiler output
.prg	Program (Atari)
.prg	Program source (dBASE IV - FoxPro - Clipper 5 - dBFast)
.pri	Printer definitions (LocoScript)
.prj	Project
.prm	Parameters
.prn	Printer driver (Signature)
.prn	Text file (Lotus 1-2-3 - Symphony)
.pro	Prolog source code file
.pro	Graphics profile file (DOS)
.prs	Printer Resource eg. fonts (WordPerfect for Win)
.prs	Presentation (Harvard Graphics Win)
.prs	Procedure (dBASE IV)
.prt	Printer driver (Dr.Halo)
.prx	Compiled program (FoxPro)
.ps	Postscript file (text/graphics) (ASCII)
.psd	Graphics (Photoshop 3.0)
.pse	Bitmap graphics (IBM printer Page SEgment)
.psf	Outline PostScript printer font (ChiWriter)
.psm	Music (MASI - ProTracker)
.psm	Symbol table of IDE (Turbo Pascal)
.psp	Procedure (Prodea Synergy)
.pt3	Device driver (Harvard Graphics 3.0)
.pt3	Template (PageMaker 3)
.pt4	Template (PageMaker 4)
.ptb	Script (PubTech BatchWorks)
.ptm	Macro (PubTech BatchWorks)
.ptr	Qwk reader pointer file (QMail)
.pub	Page template (MS Publisher)
.pub	Public key ring file (Pretty Good Privacy RSA System)
.pub	Publication (Ventura Publisher - 1st Publisher)
.put	Compressed file archive created by PUT (put334.zip)
.pvd	Script (Instalit)
.pvl	Library (Instalit)
.pvt	Local Fidonet pointlist
.pw	Text file (Professional Write)
.pwl	Password List
.pwp	Text document (Professional WritePlus)
.px	Primary database index (Paradox)
.py	Python script file
.pyc	Compiled PYTHON script file
.pzd	Default settings (Pizazz Plus)
.pzo	Overlay file (Pizazz Plus)
.pzp	Palette (Pizazz Plus)
.pzs	Settings (Pizazz Plus)
.pzt	Transfer file (Pizazz Plus)
.pzx	Swap file (Pizazz Plus)
.qag	Quick Access Group (Norton Desktop)
.qap	Application (Omnis Quartz)
.qbe	Saved query (Query By Example) (dBASE IV - Quattro Pro)
.qbo	Compiled query (dBASE IV)
.qbw	Spreadsheet (QuickBooks for Windows)
.qd0	Data file - segment 10 (Omnis Quartz)
.qd1	Data file - segment 1 (Omnis Quartz)
.qd2	Data file - segment 2 (Omnis Quartz)
.qd3	Data file - segment 3 (Omnis Quartz)
.qd4	Data file - segment 4 (Omnis Quartz)
.qd5	Data file - segment 5 (Omnis Quartz)
.qd6	Data file - segment 6 (Omnis Quartz)
.qd7	Data file - segment 7 (Omnis Quartz)
.qd8	Data file - segment 8 (Omnis Quartz)
.qd9	Data file - segment 9 (Omnis Quartz)
.qdk	Backup of startup files created by Optimize (QEMM)
.qdv	Graphics (Steve Blackstock Giffer)
.qef	Query file (Q+E for MS Excel)
.qfx	Fax (QuickLink)
.qlb	Quick library (MS C/C++)
.qlc	Data (PostScript help file) atmfonts.qlc
.qlp	Printer driver (QuickLink)
.qm4	Options or services file (QMail 4.x Mail Door)
.qpr	Generated query program (FoxPro)
.qpr	Print queue device driver (OS/2)
.qpx	Compiled query program (FoxPro)
.qrs	Equation Editor support file (WordPerfect for Win)
.qrt	Qrt ray tracing graphics
.qry	Query (dBASE IV)
.qt	Quicktime movie (animation)
.qwk	Qwk reader message file
.qxd	Document (QuarkXPress)
.qxl	Element library (QuarkXPress)
.r	Ratfor (FORTRAN preprosessor) file
.r8	Raw graphics (one byte per pixel) plane one (PicLab)
.r8p	Pcl 4 bitmap font file (Intellifont)
.ra	Music (RealAudio)
.ram	Ramfile (RealAudio)
.rar	Compressed file archive created by RAR (rar1_402.exe)
.ras	Sun Rasterfile graphics
.rat	Datafile (RATS)
.raw	Raw RGB 24-bit graphics
.rbf	Datafile (Rbase)
.rc	Resource script (MS C/C++ - Borland C++)
.rc	Configuration (emacs)
.rcg	Netscape newsgroup file (netsc.rcg)
.rdf	Compiled UIC source code (Geoworks UI Compiler)
.rdi	Device-independent bitmap file (RIFF RDIB format)
.rdx	Datafile (Reflex)
.rec	Datafile (EpiInfo)
.rec	Record file (Sprint)
.rec	Recorded macro file (Windows 3.x)
.red	Path info (Clarion Modula-2)
.ref	Cross-reference
.reg	Ole Registration (Windows 3.x)
.reg	Registration (Corel programs)
.rem	Remarks
.rep	Qwk reader reply file
.rep	Report (Report Designer - CodeReporter - DataBoss)
.req	Request
.res	Compiled resource (MS C/C++ - Borland C++)
.res	Dbase resources (dBASE IV)
.rev	Revision file (Geoworks)
.rex	Rexx source code file
.rex	Report definition (Oracle)
.rez	Resource file
.rf	Sun raster graphics
.rft	Dca/RFT Revisable Format Text file (IBM DisplayWrite 4.0-5.1)
.rgb	Sgi RGB image file (SDSC Image Tool)
.rgx	Symbol tables etc. info (ReaGeniX code generator)
.rh	Resource header file (Borland C++ 4.5)
.ri	Data (Lotus 1-2-3)
.rib	Graphics in Renderman format (3DReality)
.ric	Fax (Ricoh)
.rif	Riff bitmap graphics (Fractal Design Painter)
.rip	Graphics (Remote Access)
.rix	Bitmap graphics (ColorRIX VGA Paint)
.rl4	Bitmap graphics
.rl8	Bitmap graphics
.rla	Wavefront raster image file (SDSC Image Tool)
.rlb	Data (Harvard Graphics Win) hgw.rlb
.rlc	Graphics 1bit/pixel scanner output
.rle	Utah Run Length Encoded raster graphic (SDSC Image Tool)
.rlz	Realizer source code file (CA-Realizer)
.rmi	Midi file (RIFF RMID format)
.rmk	Makefile (Clipper RMake)
.rn	Xpl program for Nota Bene users
.rnd	Rendering Slide (AutoCAD AutoShade)
.rno	Runoff file (VAX)
.rol	Fm music Adlib Music File (Roland)
.rpd	Database (RapidFile)
.rpl	Text document (Replica)
.rpt	Report
.rs	Data file (Amiga Resource - Reassembler)
.rs_	Resource fork of a Macintosh file (Mac-ette)
.rsc	Resource file
.rsp	Response file
.rtf	Rich Text Format text file (many - Windows Word)
.rtf	Windows Help file script
.rtl	Run Time Library (NU 7.0)
.rtl	Text file
.rtp	Rtpatch software update package data file
.rts	Runtime library file (CA-Realizer)
.rvw	Review
.rws	Resource Workshop data file (Borland C++)
.rwx	Script (RenderWare)
.s	Assembly source code file (unix)
.s	Scheme source code file
.s$$	Temporary sort file (Sprint)
.s3m	Music (16 channels) (Scream Tracker 3.0)
.sal	Datafile (SORITEC)
.sam	Text file (Samna - Lotus Ami/Ami Pro)
.sar	Compressed file archive created by SAR (sar1.zip)
.sav	Backup file (saved file)
.sav	Configuration
.sav	Saved game situation (eg. NetHack)
.sb	Audio file (signed byte)
.sbd	Storyboard (Storyboard Editor)
.sbi	Sound Blaster Instrument file (Creative Labs)
.sbp	Dml program (Superbase 4)
.sbr	Support file (Source Browser)
.sbt	Notes related to record (Suberbase 4 Windows)
.sc	Pal script (Paradox)
.sc	Display driver (Framework II)
.sc3	Renamed dBASE III screen mask file (dBASE IV)
.sc3	Screen device driver (Harvard Graphics 3.0)
.sca	Datafile (SCA)
.scc	Text file
.scd	Scodl Scan Conversion Object Description Language graphics
.scf	Multimedia show (ScoreMaker)
.scf	Spelling checker configuration (Symphony)
.sch	Project schedule (Schedule Publisher)
.sch	Schematics file (ORCAD)
.sci	System Configuration Information
.sci	Fax (SciFax)
.scm	Scheme source code file
.scn	Screen file (Kermit)
.sco	High score
.scp	Script (BITCOM)
.scr	Debug source code file (DOS Debug)
.scr	Screen - screen snapshot (dBASE IV - Procomm Plus)
.scr	Screen font (LocoScript)
.scr	Screen saver (Windows 3.x)
.scr	Script (Kermit - 1st Reader)
.sct	Screen memo (FoxPro)
.scx	Bitmap graphics (ColorRIX)
.scx	Chart (Stanford Chart)
.scx	Screen (FoxPro)
.scy	Security file (ReaGeniX)
.sda	Fidonet's Software Distribution Network file archive description
.sdf	System Data Format file (fixed lenght ASCII text)
.sdi	Software Distribution Network Info file
.sdn	Software Distribution Network compressd file archive (pak251.exe)
.sea	Self-Extracting compressed Macintosh file Archive
.sec	Secret key ring file (Pretty Good Privacy RSA System)
.sec	Secured animation file (Disney Animation Studio)
.sep	Printer separator page
.seq	Atari animation file
.seq	Sequential Instruction File (Bubble Chamber)
.ses	Session info (Clarion Modula-2)
.set	Configuration (1st Reader)
.set	Driver sets created by Install (Symphony)
.set	Setup options file
.sf	Ircam Sound File (CSound package - MixView sound sample editor)
.sf	Wps attribute storage (OS/2 WorkPlace Shell) wp_root.sf
.sfi	Graphics (SIS Framegrabber)
.sfi	Printer font (HP LaserJet landscape) (Ventura Publisher)
.sfl	Pcl 4 bitmap font (landscape) (Intellifont) (Ventura Publisher)
.sfn	Font (SPX)
.sfp	Pcl 4 bitmap font (portrait) (Intellifont) (Ventura Publisher)
.sfs	Pcl 5 scalable font file (Intellifont)
.sft	Screen font (ChiWriter)
.sg1	Graphics (Stanford Graphics)
.sgf	Document with graphics (Starwriter)
.sgi	Graphics (IRIS - Silicon Graphics)
.sgp	Statistics (STATGRAPHICS Plus)
.sgt	Save/get keyboard macro (Signature)
.sh	Unix shell script
.sh	Unix ASCII file archive created by SHAR (unshar.zip)
.sh3	Presentation (Harvard Graphics 3.0)
.shb	Background (CorelShow)
.shg	Segmented-graphics bitmap
.shk	Compressed Apple II file archive created by SHRINKIT
.shm	Shell macro (WordPerfect Library)
.shp	Shape file and source file for text fonts (AutoCAD)
.shr	Unix ASCII file archive created by SHAR (unshar.zip)
.shw	Presentation (Harvard Graphics 2.0 - CorelShow)
.shw	Slide show (WordPerfect Presentations)
.shx	Shape entities (AutoCAD)
.sif	Setup Installation Files info (Windows NT Setup)
.sig	Current program settings (Signature)
.sig	Signature file (PopMail)
.sik	Backup file (Sicherungskopie) (MS Word)
.sit	Compressed Macintosh archive created by STUFFIT (unsit30.zip)
.sl	S-Lang source code file
.slb	Slide library (AutoCAD)
.slc	Compiled SALT script (Telix)
.sld	Slide (AutoCAD)
.sli	Slide (MAGICorp Slide Service)
.slk	Sylk Symbolic Link format data file (MultiPlan)
.sll	Sound data file
.slt	Salt Script Application Language for Telix script source (Telix)
.sm	Smalltalk source code file
.sm	Maillist (SoftSpoken Mailer)
.sm	Script (ScriptMaker)
.sm	Text file (Samna Word)
.smf	Fax (SMARTFAX)
.smm	Macro (Ami Pro)
.smp	Sample (sound file)
.smt	Text file (Smart Ware II)
.snd	Digitized sound file (Macintosh/ATARI/PC)
.sng	Song (midi sound) (Midisoft Studio - Prism)
.sno	Snobol4 source code file
.snp	Output video format from Computer Eyes equipment
.sol	Solution eg. game walkthroughs
.som	Network serial numbers (Quattro Pro)
.som	Sort information (Paradox)
.son	Song (SBStudio II)
.sou	Sound data (sound tool)
.sp	Compressed file archive created by SPLINT (unix)
.spc	Program (MS Multiplan)
.spc	Temporary file (WordPerfect for Win)
.spd	Scalable font (Speedo) (Harvard Graphics 3.0)
.spf	Slide presentation file (EnerGraphics)
.spg	Glossary (Sprint)
.spi	Graphics (Siemens and Philips scanner)
.spl	Compressed file archive created by SPLINT (splint.arc)
.spl	Customized printer driver (Sprint)
.spl	Personal spell dictionary (Signature)
.spl	Print spooling file (Windows 3.x)
.spl	Sample
.spm	Data (WordPerfect) wp{wp}.spm
.spp	Printer file (Sprint)
.spr	Document letter (Sprint)
.spr	Genarated screen program (FoxPro)
.spr	Sprite
.sps	Spssx source code file (VAX/VMS)
.sps	Screen driver (Sprint)
.spt	Spitbol source code file
.spt	Support file (MITAC disk/system management utility pack)
.spw	Worksheet (SigmaPlot)
.spx	Compiled screen program (FoxPro)
.sql	SQL report or query
.sqz	Compressed file archive created by SQUEEZE (sqz1083e.exe)
.src	Source (DataFlex)
.srf	Sun Raster File graphics
.srp	Script (QuickLink)
.ss	Bitmap graphics (Splash)
.ssd	Datafile (SAS/PC)
.ssp	Datafile (SAS Transport)
.st	Smalltalk source code file (Little Smalltalk)
.st	Instrument library (Scream Tracker)
.st	Stamp (NeoPaint)
.sta	Saved state (Reflection 4.0)
.sta	Stack (Spinmaker Plus)
.stb	Stub library (Genus GX Kernel)
.std	State Transition Diagram graphic file (Prosa)
.std	Standard (something..) (LocoScript)
.stf	Compressed file archive created by SHRINKTOFIT
.stm	State Transition Diagram model file (Prosa)
.stm	Music (Scream Tracker)
.sto	Pascal stub OBJ file (Genus GX Kernel)
.str	Structure list object file (dBASE Application Generator)
.sts	Project status info (MS C/C++)
.sts	Song format (Scream Tracker)
.stw	Data file (SmartTerm for Windows)
.stx	Electronic book (SmarText)
.stx	Tax form (CA-Simply Tax)
.sty	Style library or sheet (many text and graphics programs)
.sui	Suit library (Simple User Interface Toolkit)
.sum	Summary
.sun	Sun rasterfile graphics
.sup	Supplementary dictionary (WordPerfect for Win)
.svd	Autosave file for document (MS Word)
.svg	Autosave file for glossary (MS Word)
.svs	Autosave file for style sheet (MS Word)
.sw	Audio file (signed word)
.swg	Swag packet (SWAG Reader)
.swp	Document backup (Sprint)
.swp	Swap file (DOS)
.sy1	Smartpix symbol library (Ami Pro)
.sy3	Symbol file (Harvard Graphics 3.0)
.syd	Backup of startup files created by QEMM (?) autoexec.syd
.sym	Precompiled headers (Borland C++)
.sym	Program symbol table (many compilers and linkers)
.sym	Symbol file (Harvard Graphics 2.0)
.syn	Sdsc Synu image file (SDSC Image Tool)
.syn	Synonym file (MS Word 5)
.sys	Datafile (SYGRAPH - SYSTAT - SPSS/PC)
.sys	System file - device driver or hardware configuration info (DOS)
.syw	Graphics symbols (Harvard Graphics Win)
.t	Tads source
.t	Tape Archive (tar) without compression
.t	Tester symbol table (ReaGeniX code generator)
.t44	Temporary file for Sort or Index (dBASE IV)
.t64	Program (C64S emulator)
.tag	Query tag name (DataFlex)
.tah	Turbo Assembler Help file (Borland C++)
.tal	Text illustration (TypeAlign)
.tar	Compressed file archive created by TAR (pax2exe.zoo)
.taz	Compressed ASCII file archive created by TAR and COMPRESS (.tar.Z)
.tb1	Font file (Borland Turbo C)
.tb2	Font file (Borland Turbo C)
.tbf	Fax (Imavox TurboFax)
.tbk	Memo backup (dBASE IV - FoxPro)
.tbk	Toolbook (Asymetrix ToolBook)
.tbl	Graphics (native format) (PageMaker TableEditor)
.tbl	Table of values (OS/2)
.tbs	Text elements ?? (Textbausteine) (MS Word)
.tbx	Table (Project Scheduler 4)
.tc	Configuration (Turbo C - Borland C++)
.tch	Turbo C Help file (Borland C++)
.tcl	Tool Command Language source code (Swat)
.tcw	Drawing (TurboCAD for Windows)
.td	Configuration file (Turbo Debugger for DOS)
.td0	Disk image file (Teledisk)
.td2	Configuration file (Turbo Debugger for Win32)
.tdb	Database (TACT)
.tdf	Font (TheDraw)
.tdf	Typeface definition file (Speedo)
.tdh	Help file (Turbo Debugger)
.tdk	Keystroke recording file (Turbo Debugger)
.tds	Symbol table (Turbo Debugger)
.tdw	Configuration file (Turbo Debugger for Windows)
.tef	Fax (Relisys TEFAX)
.tel	Host file (Telnet)
.tem	Turbo Editor Macro Language script (Borland C++)
.tem	Input template (IconAuthor)
.tex	Tex text file (Scientific Word)
.tex	Datasheet (Idealist)
.tf	Configuration (Turbo Profiler)
.tfa	Area file (Turbo Profiler)
.tfc	Catalogue file (Tobi's Floppy Cataloguer)
.tfh	Help file (Turbo Profiler)
.tfm	Tex Font Metric file (TeX)
.tfm	Tagged font metric file (Intellifont)
.tfs	Statistics (Turbo Profiler)
.tg1	Project file (On Target)
.tga	Truevision Targa bitmap graphics
.tgz	Compressed file archive created by TAR and GNUzip (.tar.gz)
.ths	Thesaurus dictionary (WordPerfect for Win)
.tif	Tagged Image File Format bitmap graphics (PageMaker - CorelDRAW)
.til	Fuzzy logic knowledge base (Togai InfraLogic Fuzzy-C Compiler)
.tis	Tile set (MahJongg 3.0)
.tjl	Backup file (VAXTPU editor)
.tlb	Reference table (Bubble Chamber)
.tlb	Text library (VAX)
.tlb	Type library (Visual C++)
.tlc	Compiled Tool Command Language source code (Swat)
.tlp	Project (TimeLine)
.tmf	Tagged Font Metric file (WordPerfect for Win)
.tmo	Ztg global optimizer default output file (Zortech C++)
.tmp	Temporary file
.tms	Script (Telemate)
.toc	Table Of Contents
.tos	Self-extracting file archive (Atari ST)
.tp	Configuration (Turbo Pascal)
.tp	Session-state file (Turbo Profiler)
.tp3	Template (Harvard Graphics 3.0)
.tpb	Downloadable PCL Soft font file backup (HiJaak)
.tpf	Downloadable PCL Soft font file (HiJaak)
.tph	Help file (Turbo Pascal)
.tpl	Resident units library (Turbo Pascal)
.tpl	Template (Harvard Graphics 2.0)
.tpp	Protected Mode Units (Borland Pascal 7.0)
.tpu	Turbo Pascal Unit (BGI) (Turbo Pascal)
.tpu	Command file (VAXTPU editor)
.tpw	Session-state file (Turbo Profiler for Windows)
.tpw	Turbo Pascal Unit (BGI) (Turbo Pascal for Windows)
.tpz	Compressed file archive created by TAR and GNUzip (.tar.gz)
.tr	Session-state settings (Turbo Debugger for DOS)
.tr	Man page input suitable for troff -man (cawf2.zip)
.tr2	Session-state settings (Turbo Debugger for Win32)
.trc	Debug support file (Power CTrace)
.tre	Directory tree file (PC-Tools)
.trm	Terminal settings (Windows 3.x)
.trn	Translation support file (Quattro)
.trs	Executable file (Micrografx)
.trw	Session-state settings (Turbo Debugger for Windows)
.tst	Printer test file (WordPerfect for Win)
.ttf	Truetype Font file
.tut	Tutorial
.tv	Table view settings (Paradox)
.tv1	Overflow file above insert point in Doc 1 (WordPerfect for Win)
.tv2	Overflow file above insert point in Doc 2 (WordPerfect for Win)
.tv3	Overflow file above insert point in Doc 3 (WordPerfect for Win)
.tv4	Overflow file above insert point in Doc 4 (WordPerfect for Win)
.tv5	Overflow file above insert point in Doc 5 (WordPerfect for Win)
.tv6	Overflow file above insert point in Doc 6 (WordPerfect for Win)
.tv7	Overflow file above insert point in Doc 7 (WordPerfect for Win)
.tv8	Overflow file above insert point in Doc 8 (WordPerfect for Win)
.tv9	Overflow file above insert point in Doc 9 (WordPerfect for Win)
.tvf	Table view settings (dBASE)
.txf	Compressed file archive created by TAR and FREEZE (.tar.f)
.txi	Support file (TeX)
.txt	Text file
.tym	Time Stamp (PageMaker 4)
.tz	Compressed file archive created by TAR and COMPRESS (.tar.Z)
.tzb	Compressed file archive created by TAR - COMPRESS - BTOA (.tar.Z.btoa)
.ub	Audio file (unsigned byte)
.uc2	Compressed file archive created by UltraCompressor II (uc2.zip)
.ucn	New compressed file archive created by UltraCompressor II
.udf	Filter (Photostyler)
.ue2	Encrypted file archive created by UltraCompressor II
.uhs	Universal Hint System (binary file)
.ui	Espire source code file (Geoworks UI Compiler)
.ui	User interface (Sprint)
.uif	Long prompts for windows (WordPerfect for Win)
.uih	Espire header file (Geoworks UI Compiler)
.ul	Ulaw audio file
.uld	Information about uploaded files (Procomm Plus)
.ult	Music (UltraTracker)
.umb	Backup file (MemMaker)
.uni	Unimod music module (MIKMOD)
.uni	Datafile (Forecast Pro)
.unx	Text file containing UNIX specific info
.upd	Program update info
.upd	Update data (dBASE)
.upo	Compiled update data (dBASE)
.usp	Printer font with USASCII extended character set (PageMaker)
.usr	User database file (Procomm Plus - Turbo C++ tour)
.uu	Compressed ASCII file archive created by UUDE/ENCODE
.uue	Compressed ASCII file archive created by UUENCODE (uuexe515.exe)
.uw	Audio file (unsigned word)
.v	Consistency check support file (ReaGeniX code generator)
.v	Main input file for an image (Vivid 2.0)
.val	Validity checks and referential integrity (Paradox for Windows)
.val	Values list object file (dBASE Application Generator)
.van	Animation (VistaPro)
.var	Variable file (IconAuthor)
.vbx	Visual Basic eXtension (Visual Basic)
.vc	Include file with color definitions (Vivid 2.0)
.vc	Spreatsheet (VisiCalc)
.vcw	Visual workbench information (MS Visual C++)
.vcx	Spreatsheet (VisiCalc Advanced)
.vda	Bitmap graphics
.vdr	Drawing (ComputerEasy Draw)
.vew	View file (Clipper 5, Lotus Approach)
.vfm	Voting Form (Voter)
.vfn	Voting Form for Customers (Voter)
.vga	Vga display driver
.vga	Vga display font
.vgd	Vga display driver (Generic CADD)
.vgr	Graphics (Ventura Publisher)
.vi	Graphics (Jovian Logic VI)
.vic	Vicar graphics
.vid	Ms-DOS Shell Monitor file (MS-DOS 5)
.vid	Bitmap graphics (YUV12C M-Motion Frame Buffer)
.vid	Screen device driver (Word)
.vif	Khoros Visualization image file (SDSC Image Tool)
.vik	Viking graphics
.vis	Vis graphics
.vm	Virtual Memory file (Geoworks)
.vmc	Virtual memory configuration (Acrobat reader)
.vmf	Font characteristics (Ventura Publisher)
.vms	Text file containing VMS specific info
.vo	Include file with object definition (Vivid 2.0)
.voc	Digitized samples (Creative Voice file)
.vof	Object folder (VZ Programmer)
.vpg	Graphics (VPGraphics)
.vrm	Overlay file (QuattroPro)
.vrp	Project (WATCOM VXùRexx)
.vrs	Video Resource eg. video device driver (WordPerfect)
.vs	Include file with surface definition (Vivid 2.0)
.vsd	Diagram (Shapeware Visio)
.vsm	Simulation model (VisSim)
.vsp	Sprite (SPX)
.vss	Smartshapes file (Shapeware Visio)
.vst	Truevision Vista bitmap graphics
.vue	Animation (3D Studio)
.vue	View (dBASE IV - FoxPro)
.vw	Text file (Volkswriter)
.vwr	File viewer file (PC Tools)
.vxd	Virtual device driver (MS Windows)
.w	Word chart file (APPLAUSE)
.w30	Printer font (AST TurboLaser) (Ventura Publisher)
.w31	Startup file (Windows 3.1)
.w44	Temporary file for Sort or Index (dBASE)
.wav	Waveform audio file (RIFF WAVE format)
.wb1	Notebook (Quattro Pro)
.wb2	Spreadsheet (Quattro Pro)
.wbf	Ms Windows Batch File (Catch)
.wbk	Document/workbook (WordPerfect for Win)
.wbt	Batch file (WinBatch)
.wcd	Macro token list (WordPerfect for Win)
.wcm	Data transmission file (MS Works)
.wcm	Macro (WordPerfect for Win)
.wcp	Product information description (WordPerfect for Win)
.wdb	Database (MS Works)
.web	Web source code file
.wfm	Form object (dBASE Form Designer)
.wfn	Font (CorelDRAW)
.wfx	Data file (Winfax)
.wg1	Worksheet (Lotus 1-2-3/G)
.wg2	Worksheet (Lotus 1-2-3 for OS/2)
.wid	Width table (Ventura Publisher)
.win	Window file (FoxPro - dBASE)
.wiz	Page wizard (MS Publisher)
.wk1	Spreadsheet (Lotus 1-2-3 version 2.x - Symphony 1.1+)
.wk3	Spreadsheet (Lotus 1-2-3 version 3.x)
.wk4	Spreadsheet (Lotus 1-2-3 version 3.4)
.wkb	Document (WordPerfect for Win)
.wke	Spreatsheet (Lotus 1-2-3 educational version)
.wkq	Spreatsheet (Quattro)
.wks	Spreadsheet (Lotus 1-2-3 version 1A - Symphony 1.0 - MS Works)
.wks	Workspace (Xlisp)
.wlk	Graphics (Virtus Walkthrough)
.wmc	Backup of startup files by Windows MathCad autoexec.wmc
.wmc	Macro file (WordPerfect for Win)
.wmc	Text file (WordMARC)
.wmf	Windows MetaFile vector graphics
.wn	Text (NeXT WriteNow)
.wnf	Outline font description (CorelDRAW native format)
.woa	Swap file (Windows 3.x)
.woc	Organization (Windows OrgChart)
.wow	Music (8 channels) (Grave Mod Player)
.wp	Text file (WordPerfect 4.2)
.wp5	Document (WordPerfect 5.x)
.wpd	Document (WordPerfect 6.0 - PFS:WindowWorks)
.wpf	Fax (WorldPort)
.wpf	Form (WordPerfect)
.wpg	Wordperfect Graphics vector graphics (DrawPerfect)
.wpk	Macros (WordPerfect for Win)
.wpm	Macros (WordPerfect)
.wps	Text document (MS Works)
.wq!	Compressed spreadsheet (Quattro Pro)
.wq1	Spreadsheet (Quattro Pro)
.wr1	Spreatsheet (Symphony 1.1 - 1.2 - 2)
.wrd	Template (Charisma)
.wri	Text file (Windows Write)
.wrk	Spreatsheet (Symphony 1.0)
.wrp	Compressed Amiga file archive created by WARP
.wrs	Windows Resource eg. printer driver (WordPerfect for Win)
.ws	Text file (WordStar 5.0-6.0)
.ws2	Text file (WordStar 2000)
.wsd	Document (WordStar)
.wsp	Workspace (Fortran PowerStation)
.wst	Text file (WordStar)
.wwb	Button bar for document window (WordPerfect for Win)
.wwk	Keyboard layout (WordPerfect for Win)
.wxp	Document (EXP for Windows)
.x	Avs X image file (SDSC Image Tool)
.x	Lex source code file
.x01	Secondary index (Paradox)
.x02	Secondary index (Paradox)
.x03	Secondary index (Paradox)
.x04	Secondary index (Paradox)
.x05	Secondary index (Paradox)
.x06	Secondary index (Paradox)
.x07	Secondary index (Paradox)
.x08	Secondary index (Paradox)
.x09	Secondary index (Paradox)
.xbm	X11 Bitmap graphics
.xfn	Printer font (Xerox 4045) (Ventura Publisher)
.xft	24 pin printer font (ChiWriter)
.xla	Xlib Archive (xlibpas2.zip)
.xla	Add-in macro sheet (MS Excel)
.xlb	Data (MS Excel)
.xlc	Chart document (MS Excel)
.xll	Excel Dynamic Link Library (MS Excel)
.xlm	Macro sheet (MS Excel)
.xls	Worksheet (MS Excel)
.xlt	Template (MS Excel)
.xlt	Translation table (Lotus 1-2-3 - Symphony - Procomm Plus)
.xlw	Workbook (MS Excel)
.xm	Music (Fast Tracker)
.xmi	Compressed eXtended MIdi music
.xnf	Standard Network File form
.xpm	X11 Pixel Map graphics
.xqt	Executable file (Waffle)
.xqt	Macro sheet (SuperCalc)
.xrf	Cross-reference file
.xtb	External translation table (LocoScript)
.xwd	X Window System window dump image graphics (SDSC Image Tool)
.xwk	Keyboard mapping (Crosstalk)
.xwp	Session (Crosstalk)
.xwp	Text file (Xerox Writer)
.xx	Compressed file ASCII archive created by XXENCODE (uuexe515.exe)
.xxe	Compressed file ASCII archive created by XXENCODE (uuexe515.exe)
.xy	Text file (XY Write)
.xy3	Text file (XYWrite III)
.xyw	Text file (XyWrite III)
.y	Yacc grammar file
.y	Compressed Amiga file archive created by YABBA
.y01	Secondary index (Paradox)
.y02	Secondary index (Paradox)
.y03	Secondary index (Paradox)
.y04	Secondary index (Paradox)
.y05	Secondary index (Paradox)
.y06	Secondary index (Paradox)
.y07	Secondary index (Paradox)
.y08	Secondary index (Paradox)
.y09	Secondary index (Paradox)
.yal	Data (Arts & Letters)
.yuv	Yuv graphics
.yz	Compressed file archive created by YAC
.z	Compressed file ASCII archive created by COMPRESS (comp430d.zip)
.z	Compressed file archive created by PACK (Unix SysV pack)
.z3	Infocom game module
.zdg	Compressed ZiffNet text document (Zview)
.zer	Data file (Zerberus)
.zgm	Graphics (Zenographics)
.zip	Compressed file archive created by PKZIP (pkz204g.exe)
.zom	Compressed Amiga file archive created by ZOOM
.zoo	Compressed file archive created by ZOO (zoo210.exe)
.zvd	Zyxel Voicefile (Z-Fax)
.~$~	Temporary file (1st Reader)
.~ap	Old AppExpert project database (Borland C++ 4.5)
.~de	Project backup (Borland C++ 4.5)
.~mn	Menu backup (Norton Commander)
.\201$\201	Temporary file (1st Reader)

 


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