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.
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.
.asd - Microsoft Word auto-save document
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 pages - Pages document
file extension oxps - Microsoft OpenXPS document
file extension numbers - Apple Numbers spreadsheet
file extension rar - WinRAR RAR compressed archive
file extension part - Partial download file
file extension crypt12 - WhatsApp Messenger message database
file extension epub - Open Publication structure eBook
file extension jpg - JPEG bitmap 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 t2s - Tier2 data file
file extension dtapart - DownThemAll download part
file extension qbw - QuickBooks company data
file extension dat_old - Minecraft backup
file extension syncdb - iTunes saved contact database
file extension fnm - Apache Lucene field file
file extension blasterball2drm3savedgame - Blasterball 2 save game
file extension yep - Yamaha Expansion Pack file
file extension metriclog - Apple iOS diagnostic data
file extension cool - QB - Text Analyzer vocabulary list