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.
Latest articles
Check out the recently published articles related to file extensions, tutorials or software tips.
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Begin your search by entering the source and target file type specified by their file extensions. For example simply try flac to mp3.
File extension of the day
Random daily pick from File-Extensions.org's database.
.thumbdata4--1967290299 - Android thumbnail index
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 numbers - Apple Numbers spreadsheet
file extension xlsx - Microsoft Excel Open XML workbook and spreadsheet
file extension rar - WinRAR RAR compressed archive
file extension pages - Pages document
file extension epub - Open Publication structure e-book
file extension jpg - JPEG bitmap image format
file extension oxps - Microsoft OpenXPS document
file extension mp3 - Compressed audio and music file, mp3 songs or ringtones
file extension part - Partial download
file extension crypt12 - WhatsApp Messenger message database
file extension dwg - AutoCAD drawing
file extension cdr - CorelDRAW vector or bitmap graphics
file extension heic - High Efficiency Image Format
Recently updated file extensions
The file extension database is maintained and improved on daily basis. Here you can check last updated entries.
file extension mfps - Scientific Calculator Plus script
file extension bbox - Classic support data
file extension peso - Teledyne LeCroy Protocol Analyzer settings
file extension 2sflib - Nintendo DS audio library
file extension deviceids - Apple iOS device identification
file extension flow - FLOW structured data definition
file extension adb - Adlib Express stamped document
file extension memx - e-Sword 9.x memory verses data
file extension awm - Likno AllWebMenus data
file extension cma - Coach data
file extension dct - DALiM LiTHO continuous tone bitmap
file extension mmd - Summit Membership Manager database
file extension twc - TTWin configuration
file extension r - Corel Paradox data
file extension psi2 - Microsoft Works 2 for Mac data
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