File Extension


Important File Extension name and its Examples. A File Extension is the ending of a file that helps identify the type of file in operating systems, such as Microsoft Windows. In Microsoft Windows, the file name extension is a period that is often followed by three characters but may also be one, two or four characters long.

Important File Extension name and its Examples 


File Extension


Example of a File name extension

"myfile.txt" - Here myfile is the name of file and .txt is the file name extension associated with text file. 

"computer.exe" - Here computer is the name of file and .exe is the file name extension associated with executable file.     

Here are Some File  Name Extension given below :-

1) Audio File Extension

a) .aif - AIF audio file
b) .cda - CD audio track file
c) .mid or .midi - MIDI audio file
d) .mpa - MPEG-2 audio file
e) .mp3 - MP3 audio file
f) .ogg - Ogg Vorbis audio file
g) .wav - WAV audio file
h) .wma - WMA audio file
i) .wpl - Windows Media Player Playlist


2) Compressed File Extension
a) .arj - ARJ compressed file
b) .deb - Debian software package file
c) .7z - 7- Zip compressed file
d) .pkg - Package file
e) .rar - RAR file
f) .rpm - Red Hat Package Manager
g) .z - Z compressed file
h) .tar.gz - Tarball compressed file
i) .zip - Zip Compressed File

3) Disc & Media  File Extension

a) .bin - Binary disc image
b) .dmg - maOS X disc image
c) .iso - ISO disc image
d) .toast - Toast disc image
e) .vcd - Virtual CD disc image

4) Data & Database File Extension

a) .dat - Data file
b) .log - Log file
c) .csv - Comma separated value file
d) .db or .dbf - Database file
e) .mdb - Microsoft Access database file
f) .sav - Save file
g) .sql - SQL database file
h) .tar - Linux/Unix tarball file archive
i) .xml - XML file

5) E-mail File Extension

a) .email - Outlook Express e-mail message file
b) .eml - E-mail message file from multiple e-mail clients, including Gmail.
c) .emlx - Apple Mail e-mail file
d) .vcf - E-mail contact file
e) .msg - Microsoft Outlook e-mail message file
f) .oft - Microsoft Outlook e-mail template file
g) .ost - Microsoft Outlook  offline e-mail storage file
h) .pst - Microsoft Outlook e-mail storage file

6) Executable File Extension

a) .bat - Batch file
b) .apk - Android package file
c) .bin - Binary file
d) .cgi or.pl - Perl script file
e) .com - MS-DOS command file
f) .exe - Executable file
g) .jar - Java Archive file
h).gadget - Windows gadget
i) .msi - Windows Installer package
j) .py - Python file
k) .wsf - Windows Script file

7) Font File Extension

a) .fnt - Windows font file
b) .fon - Generic font file
c) .otf - Open type font file
d) .ttf - TrueType font file

8) Image File Formats File Extension

a) .ai - Adobe Illustrator file
b) .bmp - Bitmap Image
c) .gif - GIF image
d) .ico - Icon file
e) .Jpeg or .jpg - JPEG image
f) .png - PNG image
g) .ps - postscript file
h) .psd - PSD image
i) .svg - scalable Vector Graphics file
j) .tif or .tiff - TIFF image

9) Internet related File Extension

a) .cer - Internet security certificate
b) .asp and .aspx - Active Server Page file
c) .cfm - ColdFusion Markup file
d) .cgi or .pl - Perl script file
e) .css - Cascading Style Sheet file
f) .htm and .html - HTML file
g) .js - JavaScript file
h) .jsp - Java Server Page file
i) .part - Partially downloaded file
j) .php - PHP file
k) .py- Python file
l) .rss - RSS file
m) .xhtml - XHTML file

10) Presentation File formats File Extension

a) .ppt - PowerPoint Presentation
b) .pptx - PowerPoint Open XML Presentation
c) .key - Keynote Presentation
d) .odp - OpenOffice Impress Presentation file
e) .pps - PowerPoint slide show

11) Programming Files by File Extension

a) .c - C and C++ source code file
b) .class - Java class file
c) .cpp - C++ source code file
d) .cs - Visual C# source code file
e) .h -  C, C++ and Objective- C header file
f) .java - Java source code file
g) .pl - Perl Script file
h) .sh - Bash shell script
i) .swift - Swift source code file
j) .vb - Visual Basic file

12) Spreadsheet Files formats by File Extension

a) .ods - OpenOffice Calc spreadsheet file
b) .xls - Microsoft Excel file
c) .xlsm - Microsoft Excel file with macros
d) .xlsx - Microsoft Excel Open XML spreadsheet file

13) System related File formats and File Extension

a) .bak - Backup file
b) .cab - Windows Cabinet file
c) .cfg - Configuration file
d) .cpl - Windows Control Panel file
e) .cur - Windows cursor file
f) .dll - DLL file
g) .dmp -Dump file
h) .drv - Device Driver file
i) .icns - macOS X icon resource file
j) .ico - Icon file
k) .ini - Initialization file
l) .Ink - Windows shortcut file
m) .msi - Windows installer package
n) .sys - Windows system file
o) .tmp - Temporary file

14) Video File formats by File Extension

a) .3gp - 3GPP multimedia file
b) .3g2 - 3GPP2 multimedia file
c) .avi - AVI file
d) .flv - Adobe flash player
e) .h264 - H. 264 video file
f) .m4v - Apple MP4 video file
g) .mkv - Matroska multimedia Container
h) .mov - Apple QuickTime movie file
i) .mp4 - MPEG4 video file
j) .mpg or .mpeg - MPEG video file
k) .rm - RealMedia file
l) .swf - Shockwave flash file
m) .vob - DVD Video Object
n) .wmv - Windows Media Video file

15) Word Processor and text File formats by File Extension

a) .doc and .docx - Microsoft word file
b) .odt - OpenOffice Writer document file
c) .pdf - PDF file
d) .rtf - Rich Text Format
e) .tex - A La Tex document file
f) .txt - Plain text file
g) .wpd - WordPerfect document