A-Z of Common Computer File Formats

Please look below for an A-Z list of common computer file formats.

The following downloadable versions are also available:

A-Z of File Formats  [PDF]
BMP Bitmap format
CDA   Compact Disc Audio Track
CDT   Corel Draw Template file
COM   Command File
CUR   Cursor in Microsoft Windows
DAT   Data file
DEV   Device Driver
DIR   Macromedia Director file
DLL   Dynamic Linked Library. Microsoft application file
DOC   Document format for Word Perfect and Microsoft Word
DOT   Microsoft Word Template
DRV   Device Driver
DS   TWAIN Data source file
DUN   Dial-up networking configuration file
GIF   Graphics Interchange Format that supports animation. Created by CompuServe and used primarily for web use
HTM   Hyper Text Markup. This markup language is used for web design
HTML   Hyper Text Markup Language. This markup language is used for web design
ICM   Image Color Matching profile
INF   Information file used in Windows
INI   Initialization file used in Windows
JPEG   Compression scheme supported by most graphics programs and used predominantly for web use
JPG   More common extension for JPEG described above
LGO   Windows 9x startup logo
MID MIDI music file
MP3 MPEG Audio Layer 3
MPEG Movie/ Animation file format
PDF Portable Document File by Adobe. Viewable in a web browser or with Adobe Acrobat
PPT Microsoft PowerPoint presentation(default extension)
PSP Paint Shop Pro image
PST Personal Folder File for Microsoft Outlook.
PUB Microsoft Publisher document
RAM RealAudio Metafile
REG Registry file that contains registry settings
RM RealAudio video file
RTF Rich Text Format
SCR Screen Saver file
SWF Shockwave Flash file by Macromedia
SYS Windows system file used for hardware configuration or drivers
TGA Targa bitmap
TIFF Tagged Image File Format. Universal graphics format supported by most graphics applications
TMP Windows temporary file
TTF True Type font
TXT Text Format
WAV Waveform sound file
WMF Windows Metafile (graphics format)
XLS Microsoft Excel Spreadsheet
ZIP Compressed Zip archive

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