.cda - CD audio track file
.mid or .midi - MIDI audio file.
.mp3 - MP3 audio file
.mpa - MPEG-2 audio file
.ogg - Ogg Vorbis audio file
.wav - WAV file
.wma - WMA audio file
.wpl - Windows Media Player playlist
Compressed file extensions
Most computer users are familiar with the .zip compressed files, but there are other types of compressed files. Below is a list of the most common compressed file extensions.
.7z - 7-Zip compressed file
.arj - ARJ compressed file
.deb - Debian software package file
.pkg - Package file
.rar - RAR file
.rpm - Red Hat Package Manager
.tar.gz - Tarball compressed file
.z - Z compressed file
.zip - Zip compressed file
Disc and media file extensions
When making an image of a disc or other media, all of the contained files are saved to an image file. Below are the most common disc image file extensions.
.bin - Binary disc image
.dmg - macOS X disk image
.iso - ISO disc image
.toast - Toast disc image
.vcd - Virtual CD
Data and database file extensions
A data file could be any file, but for the purpose of this list, we've listed the most common data files that relate to data used for a database, errors, information, importing, and exporting.
.csv - Comma separated value file
.dat - Data file
.db or .dbf - Database file
.log - Log file
.mdb - Microsoft Access database file
.sav - Save file (e.g., game save file)
.sql - SQL database file
.tar - Linux / Unix tarball file archive
.xml - XML file
Executable file extensions
The most common executable file are files ending with the .exe file extension. However, other files can also be run by themselves or with the aid of an interpreter.
.apk - Android package file
.bat - Batch file
.bin - Binary file
.cgi or .pl - Perl script file
.com - MS-DOS command file
.exe - Executable file
.gadget - Windows gadget
.jar - Java Archive file
.py - Python file
.wsf - Windows Script File
Font file extensions
Below are the most common file extensions used with fonts.
.fnt - Windows font file
.fon - Generic font file
.otf - Open type font file
.ttf - TrueType font file
Image file formats by file extension
There are dozens of different image types and image file extensions that can be used when creating and saving images on the computer. Below is a list of the most common image file extensions.
.ai - Adobe Illustrator file
.bmp - Bitmap image
.gif - GIF image
.ico - Icon file
.jpeg or .jpg - JPEG image
.png - PNG image
.ps - PostScript file
.psd - PSD image
.svg - Scalable Vector Graphics file
.tif or .tiff - TIFF image
Internet related file extensions
The Internet is the most used resource on the computer and because web servers are using computers to serve the files, there are dozens of different file extensions that are used. Below are a list of the most common file extensions you will encounter while browsing the web.
Note: Image file extensions, video file extensions, and other extensions listed on this page could also be included with these file extensions mentioned below.
.asp and .aspx - Active Server Page file
.cer - Internet security certificate
.cfm - ColdFusion Markup file
.cgi or .pl - Perl script file
.css - Cascading Style Sheet file
.htm and .html - HTML file
.js - JavaScript file
.jsp - Java Server Page file
.part - Partially downloaded file
.php - PHP file
.py - Python file
.rss - RSS file
.xhtml - XHTML file
Presentation file formats by file extension
Today, there are a few programs that can create a presentation. Below is a list of the most common file extensions associated with presentation programs.
.key - Keynote presentation
.odp - OpenOffice Impress presentation file
.pps - PowerPoint slide show
.ppt - PowerPoint presentation
.pptx - PowerPoint Open XML presentation
Programming files by file extensions
Many file extensions are used for programs before they are compiled, as well as programming scripts.
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