Computer File Types by Extension

Extension	Associated Program
ABC	ABC Flowcharter
ASC	ASCII Text
ASF	Streaming Media
AVI	Animated Video
BAT	DOS Batch File
BMP	Bitmap Graphic
CAB	Compressed Archive
CH3	Harvard Graphics
COM	Program
DAT	Data file
DLL	Dynamic Link Library
DOC	Microsoft Word Document
DOT	Microsoft Word Template
DGN	Microstation Drawing File
DWG	AutoAD Drawing File
EPS	Encapsulated PostScript
EXE	Program
FLA	Flash Movie
GIF	Image
HQX	Compressed Archive (MAC)
HTM	HTML Hyper Text Markup Language
ICO	Icon
INI	Windows Initialization
JPG	Image
LDB	Microsoft Access Lock File
LOG	Text Log
MAX	PaperPort Scanned Image
MDB	Microsoft Access Database
MID	MIDI
MOV	Quicktime Movie
MP3	Audio
MPC	Microsoft Project Calendar
MPG	Media
MPP	Microsoft Project
MPV	Microsoft Project View
NSF	Lotus Notes Database
NTF	Lotus Notes DB Template
OCX	Microsoft Object Linking and Embedding
OST	Microsoft Outlook Offline folder
PAB	Microsoft Outlook Personal Address Book
PCX	Graphic
PDF	Adoble Acrobat Portable Document
PIC	Bitmap Graphic
PIF	Windows Program Information File
PM3	PageMaker 3
PM4	PageMaker 4
PM5	PageMaker 5
PNG	Graphic
PPD	Postscript Printer Description
PPS	Microsoft PowerPoint Slide Show
PPT	Microsoft PowerPoint
PST	Microsoft Outlook Personal folder
PT3	PageMaker 3 Template
PT4	PageMaker 4 Template
PT5	PageMaker 5 Template
PWL	Password List
RAW	24-bit Graphic
REG	Windows Registry Data
RM	Real Media
RTF	Rich Text Format
SAM	AmiPro Document
SAV	Backup File
SCR	Screen Saver
SVG	Scalable Vector Graphics
SWF	Flash Player Movie
SWP	Swap File
SYS	System Files
TIF	Image
TMP	Temporary File
TTF	Image
TXT	ASCII Text
VBS	Visual Basic Script
VSD	Visio Drawing
VXD	Virtual Device Driver
WAV	Audio File
WK1	Lotus Spreadsheet
WK3	Lotus Spreadsheet
WKS	Lotus Spreadsheet
WPD	WordPerfect Document
XLS	Microsoft Excel Spreadsheet
XLT	MIcrosoft Excel Template
XLW	Microsoft Excel Workspace
ZIP	Compressed Archive of Files

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