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Commonly used Internet related file types

Are you wondering what all those file types you see on the web are about? Following is a list of common Internet related file types, associated file extensions and where to get details.

.ARJ

ARJ compressed file
ARJ file archiver, ARJ Software, Inc.
 

.ASF, .ASX

Active Streaming Format multimedia file
Microsoft Internet Information Server
 

.ASP

Active Server Page script file
Microsoft Internet Information Server
 

.AU

AUdio sound file
 

.AVI

Windows video clip multimedia file
Microsoft Windows
 

.BMP

OS/2 or Windows BitMAP image file
Microsoft Windows
 

.CAB

Windows CABinet compressed file
Microsoft Windows
 

.CDF

Channel Definition File
Channel Definition Format
 

.CDR

CorelDRaw drawing file
Corel Corporation homepage
 

.CFM

Cold Fusion script file
Allaire Corp. -- Cold Fusion
 

.CGI

Common Gateway Interface script/program file
The Common Gateway Interface
 

.CLASS

Java compiled byte-code applet/program file
Java home page
 

.CMX

Corel clipart image file
Corel CMX Viewer
 

.CSS

Cascading Style Sheet markup file
W3C -- Web Style Sheets
 

.CSV

Comma Separated Value text file
 

.DHTML

Dynamic HyperText Markup Language file
 

.DIR, .DXR, .DCR

Director multimedia file
Macromedia Director
 

.DLL

Windows Dynamic Link Library program file
Microsoft Windows
 

.DOC

Microsoft Word DOCument file
Microsoft Word
 

.EXE

EXEcutable program file
Intel
 

.GIF

Graphics Interchange Format image file
 

.GZ, .GZIP

Gnu Zip compressed file
GNU zip
 

.HQX

Macintosh compressed file
 

.HTM, .HTML

HyperText Markup Language file
W3C - HyperText Markup Language
 

.HTX

Internet database connector HTML template file
 

.IDC

Internet Database Connector script file
 

.IMG

GEM paint image file
 

.JAR

Java ARchive compressed file
Java Development Kit 1.2 -- JAR Guide
 

.JAVA

Java source code file
Java home page
 

.JPG, .JPEG

Joint Photographic Experts Group image file
JPEG home page
 

.JS

JavaScript source file
Netscape's JavaScript Reference
 

.LA, .LMA

Netscape packetized audio file
 

.MID, .MIDI

Musical Instrument Digital Interface music file
Introduction into MIDI
 

.MOV, .QT

QuickTime MOVie multimedia file
QuickTime
 

.MPG, .MPEG, .MP2, .MP3

Moving Picture Experts Group multimedia file
MPEG Pointers and Resources
 

.PCX

Zsoft paintbrush image file
 

.PDF

adobe acrobat Portable Document File
Adobe Acrobat
 

.PL, .PLX

PerL script file
Perl home page
 

.PNG

Portable Network Graphics image file
Portable Network Graphics home page
 

.POV

Persistance of Vision Ray tracer picture file
POV-Ray - the Persistence of Vision Raytracer
 

.PPM

Portable PixelMap image file
 

.PS

adobe acrobat PostScript document file
Adobe Systems Inc.
 

.RA, .RAM, .RM

Real Audio multimedia file
RealNetworks, The Home of RealAudio, RealVideo and RealFlash
 

.REG

Windows REGistry entries file
Microsoft Windows
 

.RTF

Rich Text Format document file
Microsoft Windows
 

.TGA

Truevision TarGA image file
 

.TIF, .TIFF

Tagged Image File Format image file
 

.TXT

plain TeXT file
 

.WAV

Wave sound file
Microsoft Windows
 

.WRI

Windows WRIte format document file
Microsoft Windows
 

.WRL, .VRML

Virtual Reality Modeling Language file
The VRML Consortium
 

.XBM

X BitMap image file
 

.XML

eXtensible Markup Language file
Extensible Markup Language
 

.ZIP

PKZIP compressed file
PKWARE Inc.