File extension or filename suffix is usually three, four or more characters at the end of computer file names divided by a dot.
File extensions are useful to computer programs and operating systems like Windows or macOS (OS X), and basically telling them, what kind of data and file type they are working with and what associated program opens the file.
File-extensions.org library contains thousands of file extensions and the database is still growing.
A large number of file type entries have detailed descriptions, including their current use and the list of programs that can open, view, edit, convert or play unknown file you search for.
File extension of the day
Random daily pick from File-Extensions.org's database.
.eml - Email message
For an overview of common file types,
visit the common file extensions page, which includes a list of the most important computer file formats you should know.
Popular file extensions
List of the most visited file extension records. Click on the link below for more details and software associations.
file extension apk - Google Android application package
file extension pdf - Adobe Portable document format
file extension exe - Program executable
file extension mp4 - MPEG-4 video file format
file extension jpg - JPEG bitmap image
file extension rar - WinRAR RAR compressed archive
file extension docx - Microsoft Word Open XML document
file extension mp3 - Compressed audio and music file, mp3 songs or ringtones
file extension xlsx - Microsoft Excel Open XML workbook and spreadsheet
file extension part - Partial download
file extension crdownload - Google Chrome incomplete download
file extension dwg - AutoCAD drawing
file extension epub - Open Publication structure e-book
file extension png - Portable Network Graphic file
file extension aae - Apple Photos sidecar file
Recently updated file extensions
The file extension database is maintained and improved on daily basis. Here you can check last updated entries.
file extension dvr - Microsoft Windows XP Media Center TV recording
file extension ba1 - Microsoft Windows Media Center report log
file extension c2r - Microsoft Windows Media Center click-to-record data
file extension dvr-ms - Microsoft Digital Video Recording
file extension mcl - Microsoft Media Center application shortcut
file extension mcml - Microsoft Windows Media Center MCML data
file extension mxf - Microsoft Windows Media Center program guide list
file extension wtv - Windows Media Center TV recording
file extension apk - Google Android application package
file extension bluestacks - BlueStacks App Player data
file extension sparsefs - BlueStacks data folder
file extension armx - ASP.NET source data
file extension bat - Batch file (executable)
file extension c - C/C++ main source code
file extension c++ - C++ source code
Begin your search by entering the source and target file type specified by their file extensions. For example simply try flac to mp3.
Latest articles
Check out the recently published articles related to file extensions, tutorials or software tips.
- Show and hide file extensions in Windows 11
- Open HEIC pictures in Windows - Adding HEIF support to your computer with Copytrans HEIF for Windows
- How to run Android apps in Windows - Using BlueStacks App Player to run Android apps from Windows Sidebar
- How to install a virtual PostScript printer in Windows - Using universal PS drivers to install virtual printer in latest Windows
- How to convert WhatsApp CRYPT files - Decrypting WhatsApp message databases
- Best programs for finding duplicate files - Programs for file duplicity searches
