In this post, we share about computer file extension. It is a Basic Knowledge of computer and also a topic of General Knowledge. This Topic is Important of It Student.
Audio File Extensions
S.No.
File Extension
File Extension Meaning
1.
.aif
AIF/Audio Interchange audio file
2.
.cda
CD audio track file
3.
.iff
Interchange File Format
4.
.mid or .midi
MIDI audio file.
5.
.mp3
MP3 audio file
6.
.mpa
MPEG-2 audio file
7.
.wav
WAVE file
8.
.wma
Windows Media audio file
9.
.wpl
Windows Media Player playlist
Video File Extensions
S.No.
File Extension
File Extension Meaning
1.
.avi
Audio Video Interleave File
2.
.flv
Adobe Flash Video File
3.
.h264
H.264 video File
4.
.m4v
Apple MP4 video File
5.
.mkv
Matroska Multimedia Container
6.
.mov
Apple QuickTime movie File
7.
.mp4
MPEG-4 Video File
8.
.mpg or .mpeg
MPEG video File
9.
.rm
Real Media File
10.
.swf
Shockwave flash File
11.
.vob
DVD Video Object File
12.
.wmv
Windows Media Video File
13.
.3g2
3GPP2 Multimedia File
14.
.3gp
3GPP multimedia File
Text File Extensions
S.No.
File Extension
File Extension Meaning
1.
.doc and .docx
Microsoft Word file
2.
.odt
OpenOffice Writer document file
3.
.msg
Outlook Mail Message
4.
.pdf
PDF file
5.
.rtf
Rich Text Format File
6.
.tex
A LaTeX document file
7.
.txt
Plain text file
8.
.wks and .wps
Microsoft Works Word Processor Document file
9.
.wpd
WordPerfect document
Spreadsheet File Extensions
S.No.
File Extension
File Extension Meaning
1.
.ods
OpenOffice Calc spreadsheet file
2.
.xlr
Microsoft Works spreadsheet file
3.
.xls
Microsoft Excel file
4.
.xlsx
Microsoft Excel Open XML spreadsheet file
Presentation File Extensions
S.No.
File Extension
File Extension Meaning
1.
.key
Keynote presentation
2.
.odp
OpenOffice Impress presentation file
3.
.pps
PowerPoint slide show
4.
.ppt
PowerPoint presentation
5.
.pptx
PowerPoint Open XML presentation
Database File Extensions
S.No.
File Extension
File Extension Meaning
1.
.accdb
Access 2007 Database File
2.
.csv
Comma separated value file
3.
.dat
Data file
4.
.db or .dbf
Database file
5.
.log
Log file
6.
.mdb
Microsoft Access database file
7.
.pdb
Program Database
8.
.sav
Save file (e.g. game save file)
9.
.sql
SQL/Structured Query Language database file
10.
.tar
Linux / Unix tarball file archive
System Related File Extensions
S.No.
File Extension
File Extension Meaning
1.
.bak
Backup file
2.
.cab
Windows Cabinet file
3.
.cfg
Configuration file
4.
.cpl
Windows Control panel file
5.
.cur
Windows cursor file
6.
.dll
DLL file
7.
.dmp
Dump file
8.
.drv
Device driver file
9.
.icns
macOS X icon resource file
10.
.ico
Icon file
11.
.ini
Initialization file
12.
.lnk
Windows shortcut file
13.
.msi
Windows installer package
14.
.sys
Windows system file
15.
.tmp
Temporary file
Image File Extensions
S.No.
File Extension
File Extension Meaning
1.
.ai
Adobe Illustrator file
2.
.bmp
Bitmap image File
3.
.gif
GIF/Graphical Interchange Format image
4.
.ico
Icon file
5.
.jpeg or .jpg
JPEG image
6.
.max
3ds Max Scene File
7.
.obj
Wavefront 3D Object File
8.
.png
PNG / Portable Network Graphic image
9.
.ps
PostScript file
10.
.psd
PSD / Adobe Photoshop Document image
11.
.svg
Scalable Vector Graphics file
12.
.tif or .tiff
TIFF image
13.
.3ds
3D Studio Scene
14
.3dm
Rhino 3D Model
Web File Extensions
S.No.
File Extension
File Extension Meaning
1.
.asp and .aspx
Active Server Page file
2.
.cer
Internet security certificate
3.
.cfm
ColdFusion Markup file
4.
.cgi or .pl
Perl script file
5.
.css
Cascading Style Sheet file
6.
.htm and .html
HTML/Hypertext Markup Language file
7.
.js
JavaScript file
8.
.jsp
Java Server Page file
9.
.part
Partially downloaded file
10.
.php
PHP Source Code file
11.
.rss
RSS/Rich Site Summary file
12.
.xhtml
XHTML / Extensible Hypertext Markup Language file
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