Usefull File Format and it Extensions

Usefull File Format and it Extensions

.a - library (unix)
.ac3 - AC3 Audio File Format
.ad - screen saver data (AfterDark)
.adc - Bitmap graphics (16 colors)
.adi - graphics (AutoCAD)
.afi - Truevision bitmap graphics
.ars - Ad- Vector graphics (Adobe Illustrator)
.all - format file for working pages (Always)
.all - general printer information (WordPerfect for Win)
.ani - animation (Presidio - many)
.anm - animation (Deluxe Paint Animator)
.ans - ANSI graphics (character animation)
.ans - ASCII text ANSI character set (NewWave Write)
.aps - MS obe After Effects Render
.asc - ASCII text file
.asd - Autosave file (Word for Windows)
.asp - Microsoft Active Server Page
.aspx - Microsoft ASP.NET file
.atn - Adobe Photoshop Action file
.aud - Audio file
.avi - Audio Video Interleaved animation file (Video for Windows)
.bak - backup file
.bas - BASIC source code file
.bat - batch file (DOS)
.bbm - brush (Deluxe Paint)
.bch - batch process object file (dBASE Application Generator)
.bck - Backup
.bcn - Business Card Pro Design
.bcp - Borland C++ makefile
.bdf - Bitmap Distribution Format font file (X11)
.bga - bitmap graphics
.bib - bibliography (ASCII) /literature database (TeX/BibTeX)
.bif - Binary Image Format b&w graphics (Image Capture board)
.bin - binary file
.bio - OS2 BIOS
.bit - bitmap X11
.bm - BitMap graphics
.bmk - Help Bookmarks (Windows 3.x)
.bmp - BitMaP graphics (PC Paintbrush - many)
.bpt - bitmap fills file (CorelDRAW)
.br - Script (Bridge)
.btm - Batch To Memory batch file (4DOS)
.bug - Bugs and Problems
.bup - backup file
.buy - Datafile format (movie)
.c - C source code file
.c++ - C++ source code file
.ca - Initial cache data for root domain servers (Telnet)
.cab - Cabinet File (Microsoft installation archive)
.cb - Clean Boot File (Microsoft)
.cal - calendar file (Windows 3.x) /spreatsheet (SuperCalc)
.cbl - COBOL source code file
.cbm - compiled bitmap graphics (XLib)
.cbt - Computer Based Training (many)
.cc - C++ source code file
.ceg - bitmap graphics (Tempra Show - Edsun Continuous Edge Graphics)
.chk - recovered data (DOS CHKDSK)
.chk - temporary file (WordPerfect for Win)
.clp - clip art graphics (Quattro Pro)
.clp - clipboard file (Windows 3.x)
.cls - C++ class definition file
.cmd - batch file (OS/2) /command (dBASE - Waffle)
.cpp - C++ source code file
.cpt - compressed Mac file archive created by COMPACT PRO (ext-pc.zip)
.cur - cursor image file (Windows 3.x)
.cxt - Macromedia Director Protected Cast file
.dat - data file in special format or ASCII
.day - Journal file
.db$ - Temporary file (dBASE)
.dba - Datafile (DataEase)
.dbk - Database backup
.dbs - Database in SQL Windows format
.dbt - Data Base Text (Clipper)
.dbx - Database
.dbd - debug info (Clarion Modula-2)
.dbg - symbolic debugging information (MS C/C++)
.dcf - disk image file
.dcx - FAX Image
.dd - compressed Macintosh file archive created by DISKDOUBLER
.ddb - Bitmap graphics
.deb - DEBUG script (DOS Debug)
.def - defaults - definitions
.dem - demonstration / graphics (VistaPro)
.dev - Device driver
.dgs - diagnostics
.dic - dictionary
.dir - directory file (VAX)
.diz - description file (Description In Zip)
.dlg - dialog resource script file (MS Windows SDK)
.dll - Dynamic Link Library / export/import filter (CorelDRAW)
.dmp - dump file (eg. screen or memory)
.doc - document text file / network driver (eg. pkt_dis.dos)
.dos -.drv - device driver eg. for printer
.dsk - project desktop file
.dss - screensaver file (DCC)
.dup - Duplicate Backup
.dwz - DVD movieFactory
.ega - EGA display font (Ventura Publisher)
.emu - terminal emulation data (BITCOM)
.env - Enveloper macro (WOPR) / environment file (WordPerfect for Win)
.err - error log /error messages for command line compilers
.esh - Extended Shell batch file
.ex_ - Compressed .EXE File in an Install Archive
.exc - REXX source code file (VM/CMS) / exclude file for Optimize (do not process)
.exe - directly executable program (DOS)
.exp - ICQ Saved Chat file
.ext - extension file (Norton Commander)
.ezm - Text file
.f - Fortran source code file
.fac - FACE graphics
.faq - Frequently Asked Questions text file
.fax - fax (raster graphics) (most Fax programs)
.fdf - Adobe Acrobat Forms document
.fdw - form (F3 Design and Mapping)
.fix - patch file
.fla - Macromedia Flash
.flm - Film Roll (AutoCAD/AutoShade)
.flv - Macromedia Flash Video file
.flx - Compiled binary (DataFlex)
.fm - Spreatsheet (FileMaker Pro)
.fmp - FileMaker Pro Document
.fnt - Font file
.frm - form (Visual Basic)
.ftp - configuration (FTP Software PC/TCP)
.fxd - phonebook (FAXit)
.ftp - Configuration (FTP Software PC/TCP)
.fxo - Fax Image Document
.gal - Corel Multimedia Manager Album
.gcd - Graphics
.gbl - global definitions (VAXTPU editor)
.gfb - compressed GIF image created by GIFBLAST (gifblast.exe)
.gft - font (NeoPaint)
.gid - Windows Help index file
.gif - Graphics Interchange Format bitmap graphics (CompuShow)
.gly - glossary (MS Word)
.gph - graph (Lotus 1-2-3/G)
.gr2 - screen driver (Windows 3.x)
.grb - MS-DOS Shell Monitor file (MS-DOS 5)
.grp - group file (Windows 3.x)
.h - Header file
.h++ - Header file (C++)
.ham - Image file
.hex - Hex dump
.hh - C++ header file
.hlp - help information
.hof - Hall Of Fame (game scores)
.hp8 - ASCII text HP Roman8 character set (NewWave Write)
.htm - HTML document (Mosaic)
.html – Hyper text markup language
.htx - Hypertext file
.hxx - C++ header file
.ibm - compressed file archive created by ARCHDOS (Internal IBM only)
.icb - Bitmap graphics
.icn - ICON source code file
.ico - icon (Windows 3.x)
.id - disk identification file
.imb - IncrediMail file
.img - bitmap graphics (Ventura Publisher - GEM Paint)
.imz - Compressed floppy image
.inc - include file (several programming languages)
.inf - information text file (ASCII) / install script
.ini - initialization file
.ins - installation script (1st Reader)
.ips - Game Patch file
.isk - Command file
.iso - Easy CD Creator Disc Image
.jar - Java archive file
.jas - Graphics
.jav - Java source code file
.jbd - datafile (SigmaScan)
.jff - Bitmap graphics (JPEG File Interchange Format)
.jfif - JPEG File Interchange Format
.jhtml - Dynamo Server Page
.jif - JPEG/JIFF Image
.jpc - graphics (Japan PIC)
.jpe - JPEG image
.jpg - JPEG Joint Photography Experts Group format bitmap graphics
.js - Microsoft Scripting Language "JScript" file extension
.jsp - Java Server page
.jtf - graphics (TIFF file with JPEG compression)
.jzz - Spreatsheet (Jazz)
.lcl - FTP Software PC/TCP
.leg - Legacy Graphic Format
.let - Letter
.lgo - startup logo code (Windows 3.x)
.lib - library file (several programming languages)
.lis - listing (VAX)
.lod - Load file
.log - log file
.lsf - Streaming Audio/Video file
.m2v - MPEG-2 Video Only file
.m3d - 3D animation macro
.m3u - Music Playlist (Winamp)
.m4a - MPEG-4 Audio Layer
.mac - bitmap graphics (Macintosh MacPaint)
.mac – macro
.mad - MS Access Module Shortcut
.mai - mail (VAX)
.mak - project file (Visual Basic) / makefile
.man - command manual
.map - color palette / linker map file
.mbx - mailbox data (ZERBERUS)
.mci - MCI command script (Media Control Interface)
.mcp - printer driver (Mathcad)
.mdm - modem definition (TELIX)
.meu - menu group (DOS Shell)
.mic - Microsoft Image Composer file
.mid - standard MIDI file (music synthetizers)
.mke - makefile (MS Windows SDK)
.mod - MODULA-2 source code file (Clarion Modula-2) / Windows kernel module
.mon - monitor description (ReadMail)
.mov - movie (AutoCAD AutoFlix)
.mp2 - MPEG audio file (Xing)
.mp3 - MPEG Audio Stream, Layer III
.mp4 - MPEG-4 Video File
.mpg - MPEG animation
.msg - message
.msp - bitmap graphics (Microsoft Paint)
.mst - setup script (MS Windows SDK)
.mth - math file (Derive)
.mtm - MultiTracker Module music
.mtw - datafile (Minitab)
.mus - sound file (MusicTime)
.mvf - stop frame file (AutoCAD AutoFlix)
.mvi - movie command file (AutoCAD AutoFlix)
.mvw - log file (Saber LAN)
.ned - MSN Application Extension
.net - Network configuration
.nfo - Info file
.now - Text file
.nra - Nero Audio-CD Compilation
.nrg - Nero CD-Image
.nxt - sound (NeXT format)
.obj - object code (Intel Recolatable Object Module)
.ocx - OLE custom control
.oeb - Outlook Express Backup Wizard
.off - Object File Format vector graphics
.ofm - Adobe font
.old - backup file
.omf - Open Media file
.otf - Open Type Format
.ovl - overlay file
.p - Pascal source code file
.pac - package (SBStudio II)
.pal - color palette
.par - permanent output file (Windows 3.x)
.pas - Pascal source code file
.pch - patch file
.pcw - text file (PC Write)
.pda - bitmap graphics
.pdc - Personal Database Creator file
.pds - Incredimail
.pdv - printer driver (Paintbrush)
.pft - Printer font (ChiWriter)
.pgm - Portable Grayscale bitMap graphics / program (Signature)
.pgp - support file (Pretty Good Privacy RSA System)
.pic - PIXAR picture file (SDSC Image Tool)
.pif - Program Information File (Windows 3.x)
.pll - pre-linked library (Clipper 5)
.pnt - Macintosh painting
.pop - messages index (PopMail)
.pot - PowerPoint template
.ppg - MS PowerPoint Ppresentation
.pps - PowerPoint Slideshow
.ppt - General file extension (PowerPoint)
.prd - printer driver (many)
.prj - Project
.pwz - MS Powerpoint Wizard
.qpr - print queue device driver (OS/2)
.qpx - compiled query program
.qrt - QRT ray tracing graphics
.qry - query (dBASE IV)
.qt - QuickTime movie
.qtx - QuickTime image
.que - CuteFTP Queue file
.qwk - QWK reader message file
.qxd - document (QuarkXPress)
.rar - Compressed file archive created by RAR (rar1_402.exe)
.rdx - datafile (Reflex)
.rec - record file (Sprint) / recorded macro file (Windows 3.x)
.red - path info (Clarion Modula-2)
.ref - cross-reference
.reg - OLE Registration (Windows 3.x) / registration (Corel programs)
.rem – remarks
.req - Request
.rez - Resource file
.rgb - SGI RGB image file (SDSC Image Tool)
.rif - RIFF bitmap graphics (Fractal Design Painter)
.rip - graphics (Remote Access)
.rix - bitmap graphics (ColorRIX VGA Paint)
.rm - RealMedia
.rmf - Rich Map Format
.rmk - makefile (RMAKE)
.rmvb - Video file for Realplayer
.rpm - RealMedia Player file
.rpt - report
.rtf - Windows Help file script
.rtl - text file
.sav - backup file (saved file) / configuration
.sbd - storyboard (Storyboard Editor)
.sbi - Sound Blaster Instrument file
.sbr - support file (Source Browser)
.scc - text file
.sci - System Configuration Information
.scr - DEBUG source code file (DOS Debug) / screen saver (Windows 3.x)
.scx - bitmap graphics (ColorRIX)
.sea - Self-Extracting compressed Macintosh file Archive
.sec - secured animation file (Disney Animation Studio)
.set - setup options file
.sgi - graphics (IRIS - Silicon Graphics)
.sh - Unix shell script
.shtml - HTML File with Server Side
.sig - current program settings (Signature) / signature file (PopMail)
.sis - SymbianOS Installer file
.slb - Slide library (AutoCAD)
.sln - Microsoft Visual Studio Solution file
.smp - sample (sound file)
.smt - text file (Smart Ware II)
.snm - Netscape mail
.spl – sample
.sql - SQL report or query
.ssa - Subtitles
.sum – Summary
.swf - ShockWave Flash object
.swp - swap file (DOS)
.sys - system file - device driver or hardware configuration info (DOS)
.tbl - graphics (native format) / table of values (OS/2)
.tel - host file (Telnet)
.tga - TrueVision Targa bitmap graphics
.tmp - temporary file
.toc - Table Of Contents
.tre - directory tree file (PC-Tools)
.trg - Symantec LiveUpdate file
.trm - terminal settings (Windows 3.x)
.ttc - OpenType font file
.ttf - Truetype Font file
.tut – tutorial
.tvt - RealPlayer
.txt - Text file
.ub - audio file
.udc - Acrobat Spelling file
.udl - MS Data Link
.uhs - Universal Hint System (binary file)
.uif - long prompts for windows (WordPerfect for Win)
.unx - text file containing UNIX specific info
.upd - program update info
.usr - user database file (Procomm Plus - Turbo C++ tour)
.utf - AOL Updating Files
.utl - Sound file
.vbd - ActiveX file
.vbp - Visual Basic Project
.vbx - Visual Basic Extension (Visual Basic)
.vcd - Video CD format
.vga - VGA display driver / VGA display font
.vgd - VGA display driver (Generic CADD)
.vid - MS-DOS Shell Monitor file (MS-DOS 5)
.vid - screen device driver (Word)
.vir - Virus Infected file
.vm - Virtual Memory file
.vml - Vector Markup Language
.vob - DVD video movie file
.vst - Truevision Vista bitmap graphics
.vts - DVD File format
.vue - animation (3D Studio)
.w5s - Winamp file
.w31 - startup file (Windows 3.1)
.wav - Waveform audio file (RIFF WAVE format)
.wbf - MS Windows Batch File (Catch)
.web - WEB source code file
.wma - Microsoft Active Streaming file
.woa - swap file (Windows 3.x)
.wrs - Windows Resource
.wsf - Windows Script file
.wvx - Metafile
.wzs - Microsoft Word wizard
.xif - Xerox image file
.Xla - Add-in macro sheet (MS Excel)
.xlb - Data (MS Excel)
.xlc - Chart document (MS Excel)
.xlk - Excel Backup
.xll - Excel Dynamic Link Library (MS Excel)
.xlm - Macro sheet (MS Excel)
.xlr - MS Works file
.xls - Worksheet (MS Excel)
.xlt - Template (MS Excel)
.xmi - compressed eXtended MIdi music
.xml - Extensible Markup Language file
.xwd - X Window System window dump image graphics (SDSC Image Tool)
.xx - compressed file ASCII archive created by XXENCODE (uuexe515.exe)
.zip - compressed file archive created by PKZIP (pkz204g.exe)

Click here to download file format and their Extensions in msword

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