Audio file formats by file extensions

aif - AIF audio file

.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

.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

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

.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

.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

.fnt - Windows font file

.fon - Generic font file

.otf - Open type font file

.ttf - TrueType font file

Image file formats by file extension

.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

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

.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

.c - C and C++ source code file

.class - Java class file

.cpp - C++ source code file

.cs - Visual C# source code file

.h - C, C++, and Objective-C header file

.java - Java Source code file

.sh - Bash shell script

.swift - Swift source code file

.vb - Visual Basic file

Spreadsheet file formats by file extension

.ods - OpenOffice Calc spreadsheet file

.xlr - Microsoft Works spreadsheet file

.xls - Microsoft Excel file

.xlsx - Microsoft Excel Open XML spreadsheet file

System related file formats and file extensions

.bak - Backup file

.cab - Windows Cabinet file

.cfg - Configuration file

.cpl - Windows Control panel file

.cur - Windows cursor file

.dll - DLL file

.dmp - Dump file

.drv - Device driver file

.icns - macOS X icon resource file

.ico - Icon file

.ini - Initialization file

.lnk - Windows shortcut file

.msi - Windows installer package

.sys - Windows system file

.tmp - Temporary file

Word processor and text file formats by file extension

.doc and .docx - Microsoft Word file

.odt - OpenOffice Writer document file

.pdf - PDF file

.rtf - Rich Text Format

.tex - A LaTeX document file

.txt - Plain text file

.wks and .wps- Microsoft Works file

.wpd - WordPerfect document

3g2  3GPP2 multimedia file .3gp  3GPP multimedia file .avi  AVI file Audio Video Interleave .flv  Adobe Flash file .h264  H.264 video file MPEG-4 AVC use in . Blu-ray and HD DVD  .m4v  Apple MP4 video file .mkv  Matroska Multimedia Container .mov  Apple QuickTime movie file .mp4  MPEG4 video file .mpg or .mpeg  MPEG video file .rm  RealMedia file .swf  Shockwave flash file .vob  DVD Video Object .wmv  Windows Media Video file