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 OS X, and basically telling them, what kind of data and file type they are working with and what associated program opens this 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.
Check out the recently published articles related to file extensions, tutorials or software reviews.
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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 database.
.ftf - Sony Ericsson Xperia Android firmware file
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 pdf - Adobe Portable document format
file extension apk - Google Android application package file
file extension rar - WinRAR RAR compressed archive
file extension mp4 - MPEG-4 video file format
file extension oxps - Windows 8 OpenXPS document file
file extension pptx - Microsoft PowerPoint Open XML presentation file
file extension xlsx - Microsoft Excel Open XML workbook file
file extension vcf - vCard file
file extension mp3 - Compressed audio and music file, mp3 songs or ringtones
file extension docx - Microsoft Word Open XML document 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 devicemetadata-ms - Microsoft Windows Device Metadata package file
file extension swidtag - Software Identification Tag file
file extension wim - Windows Imaging Format archive file
file extension location - Microsoft Windows 10 registry file
file extension dzk - Font library file
file extension sapssd - SAP related file
file extension cs3 - Casio WK-1800 Keyboard output file
file extension ink - Mimio ink data file
file extension att - Web Form Data file
file extension ext - Norton Commander extension file