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.
.do - Java Servlet 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 apk - Google Android application package
file extension pdf - Adobe Portable document format
file extension oxps - Windows 8 OpenXPS document
file extension rar - WinRAR RAR compressed archive
file extension part - Partial download file
file extension mp4 - MPEG-4 video file format
file extension vcf - vCard file
file extension xlsx - Microsoft Excel Open XML workbook file
file extension pptx - Microsoft PowerPoint Open XML presentation file
file extension mp3 - Compressed audio and music file, mp3 songs or ringtones
Recently updated file extensions
The file extension database is maintained and improved on daily basis. Here you can check last updated entries.
file extension std - STAAD.Pro import/export file for steel FEA
file extension pab - Microsoft Outlook Personal Address Book
file extension viv - Vivaldi Studio music notation score
file extension bom - Apple Mac OS X Bill of Materials file
file extension ncf - Steam Client game configuration file
file extension dcr - Adobe Director Shockwave media file
file extension hstx - Altair HyperStudy package file
file extension purgeable - Time Machine corrupted backup
file extension xpm - Image file
file extension mno - Adobe Dreamweaver configuration commands file