File formats list

Text Files
.doc
 Microsoft Word Document
.log
 Log File
.msg
 Mail Message
.rtf
 Rich Text Format
.txt
 Text File
.wpd
 WordPerfect Document
.wps
 Microsoft Works Word Processor Document
Data Files
0.123
 Lotus 1-2-3 Spreadsheet
.csv
 Comma Separated Values File
.dat
 Data File
.db
 Database File
.dll
 Dynamic Link Library
.mdb
 Microsoft Access Database
.pps
 PowerPoint Slide Show
.ppt
 PowerPoint Presentation
.sql
 Structured Query Language Data
.wks
 Microsoft Works Spreadsheet
.xls
 Microsoft Excel Spreadsheet
.xml
 XML File
Image Files
.mng
 Multiple Network Graphic
.pct
 Picture File
Raster Image Files
.bmp
 Bitmap Image
.gif
 Graphical Interchange Format File
.jpeg
 JPEG Image File
.jpg
 JPEG Image File
.png
 Portable Network Graphic
.psd
 Photoshop Document
.psp
 Paint Shop Pro Image File
.tif
 Tagged Image File Format
Vector Image Files
.ai
 Adobe Illustrator File
.drw
 Drawing File
.dxf
 Drawing Exchange Format
.eps
 Encapsulated PostScript
.ps
 PostScript File
.svg
 Scalable Vector Graphics
3D Image Files
.3dm
 Rhino 3D Model
.3dmf
 QuickDraw 3D Metafile
Page Layout Files
.djvu (pdf alternative) digital document format with advanced compression http://www.djvu.org/
.indd
 Adobe InDesign File
.pdf
 Portable Document Format File
.qxd
 QuarkXpress Document
.qxp
 QuarkXpress 6 Project File
Audio Files
.aac
 Advanced Audio Coding File
.aif
 Audio Interchange File Format
.iff
 Interchange File Format
.m3u
 Media Playlist File
.mid
 MIDI File
.midi
 MIDI File
.mp3
 MP3 Audio File
.mpa
 MPEG Audio File
.ra
 Real Audio File
.ram
 Real Audio Media
.wav
 Windows WAVE Sound File
.wma
 Windows Media Audio File
Video Files
.3gp
 3GPP Multimedia File
.asf
 Advanced Systems Format File
.asx
 Microsoft ASF Redirector File
.avi
 Audio Video Interleave File
.mov
 Apple QuickTime Movie
.mp4
 MPEG-4 Video File
.mpg
 MPEG Video File
.qt
 Apple QuickTime Movie
.rm
 Real Media File
.swf
 Macromedia Flash Movie
.wmv
 Windows Media Video File
Web Files
.asp
 Active Server Page
.css
 Cascading Style Sheet
.htm
 Hypertext Markup Language File
.html
 Hypertext Markup Language File
.js
 JavaScript File
.jsp
 Java Server Page
.php
 Hypertext Preprocessor File
.xhtml
 Extensible Hypertext Markup Language File
Font Files
.fnt
 Font File
.fon
 Generic Font File
.otf
 OpenType Font
.ttf
 TrueType Font
Plugin Files
.8bi
 Photoshop Plug-in
.plugin
 Mac OS X Application Plug-in
.xll
 Excel Add-In File
System Files
.cab
 Windows Cabinet File
.cpl
 Windows Control Panel
.dmp
 Windows Memory Dump
.drv
 Device Driver
.ini
 Initialization File
.key
 Security Key
.sys
 System File
Settings Files
.cfg
 Configuration File
.msi
 Windows Installer File
.reg
 Registration Information
Executable Files
.app
 Mac OS X Application
.bat
 DOS Batch File
.cgi
 Common Gateway Interface Script
.com
 Command File
.exe
 Executable File
.pif
 Program Information File
.vb
 VBScript File
.ws
 Windows Script
Compressed Files
.gz
 Gnu Zipped File
.pkg
 Mac OS X Installer Package
.rar
 WinRAR Compressed Archive
.sea
 Self-Extracting Archive
.sit
 Stuffit Archive
.sitx
 Stuffit X Archive
.zip
 Zipped File
Encoded Files
.bin
 Macbinary II Encoded File
.hqx
 BinHex 4.0 Encoded File
.mim
 Multi-Purpose Internet Mail Message
.uue
 Uuencoded File
Developer Files
.c
 C/C++ Source Code File
.cpp
 C++ Source Code File
.java
 Java Source Code File
.pl
 Perl Script
Backup Files
.bak
 Backup File
.gho
 Norton Ghost Backup File
.old
 Backup File
.ori
 Original File
.tmp
 Temporary File
Disk Files
.dmg
 Mac OS X Disk Image
.iso
 Disc Image File
.vcd
 Virtual CD
Game Files
.gam
 Saved Game File
.nes
 Nintendo (NES) ROM File
.rom
 NES Game ROM
.sav
 Saved Game
Misc Files
.lnk
 File Shortcut
.torrent
 BitTorrent File
.yps
 Yahoo! Messenger Data File