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.
.rec - Recorded data
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 rar - WinRAR RAR compressed archive
file extension mp4 - MPEG-4 video file format
file extension docx - Microsoft Word Open XML document
file extension pdf - Adobe Portable document format
file extension xlsx - Microsoft Excel Open XML workbook and spreadsheet
file extension epub - Open Publication structure e-book
file extension jpg - JPEG bitmap image format
file extension oxps - Microsoft OpenXPS document
file extension part - Partial download
file extension dll - Dynamic Link Library
file extension mp3 - Compressed audio and music file, mp3 songs or ringtones
file extension dwg - AutoCAD drawing
file extension cdr - CorelDRAW vector or bitmap graphics
file extension vsdx - Microsoft Visio drawing
Recently updated file extensions
The file extension database is maintained and improved on daily basis. Here you can check last updated entries.
file extension xmz - SofTeach secure exam
file extension ffl - Find Fast Indexer document list
file extension dbf - xBase database
file extension cnt - Rational Rose 98 contents tab
file extension ccc - Curtain Call bitmap image
file extension ffskin - FaceFilter skin
file extension add - BSL Weighted Addition of Two Images
file extension bgdb - Global Virtual Academy data
file extension nmpb - Navicat for MariaDB backup profile
file extension abt - Braille2000 annotated braille text
file extension grind - Juice Grinder juice recipe
file extension volarchive - CopyCatX volume
file extension drj - Derej data
file extension dbd - Fly! database index
file extension kex - RealFlight model
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