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.
.ai - Adobe Illustrator graphics
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 numbers - Apple Numbers spreadsheet
file extension oxps - Microsoft OpenXPS document
file extension crypt12 - WhatsApp Messenger message database
file extension rar - WinRAR RAR compressed archive
file extension part - Partial download file
file extension epub - Open Publication structure eBook
file extension cdr - CorelDRAW vector or bitmap graphics
Recently updated file extensions
The file extension database is maintained and improved on daily basis. Here you can check last updated entries.
file extension pgmf - Tacx Fortius data
file extension 240 - Winfunktion Mathematic v8.0 Julia fractal
file extension 171 - Winfunktion Mathematik v8.0 Julia fractal
file extension msg5 - Microsoft Graph 5 data
file extension thumbdata4--1763508120 - Android thumbnail index
file extension x16 - Macromedia extra document
file extension pt3 - Pro Tracker 3 music compilation
file extension pt3 - Adobe PageMaker template
file extension mng - Corel PaintShop Pro animation
file extension m02 - MicroStation modification user resource