File extension is usually three or more characters at the end of the computer file name. File extensions are useful for computer operating systems, like Microsoft Windows or Apple MAC OS X, and basicaly tell them, what kind of data file it is and with which application associated it is.
We have collected a huge amount of informations and created searchable file extension list. At present the File-Extensions.org library contains thousands of file extensions and with each day the database is growing. A large number of file type entries have detailed descriptions, including their current use and a list of applications associated with it and which can handle the unknown file type, you were searching for.
If you encounter a file in your computer with an unknown file extension, then you are at the right place. You can check our database for informations about file extension you were looking for, including list of associated applications.
Simply use the search box at the top-left corner of each page to check our database for a specific file extension. You may also browse our database in alphabetical order using the navigation menu at the top.
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File extension of the day
Random daily pick from file-extensions.org database.
.ncs - Bioware Aurora / Obsidian Electron compiled script 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 flac - Audio files encoded by Flac - free lossless audio codec
file extension part - Partial download file
file extension epub - Open Publication structure eBook file
file extension pages - iWork Pages document file
file extension rar - WinRAR RAR compressed archive
file extension 3ga - Audio file for wireless networks
file extension pub - Microsoft Publisher document file
file extension mobi - Mobipocket eBook Format
file extension apk - Google Android package file
file extension 002 - Compressed file from a multi-volume archive (part 2)
file extension gadget - Windows sidebar gadget file
file extension dwg - AutoCAD Drawing file
file extension menc - Microsoft Windows Mobile encrypted file
file extension json - Mozilla Firefox bookmark backup file
file extension xlsx - Microsoft Excel 2007, Excel 2010 and Excel 2013 Open XML workbook file
file extension 264 - H.264/MPEG-4 AVC video file
file extension dlc - JDownloader download link container
file extension bin - CD/DVD binary image file
file extension xls - Microsoft Excel 97 to 2003 workbook file
Recently updated file extensions
Existing and new file extensions are updated or added very often. The database is maintained and improved every day.
file extension dng - Adobe digital negative file
file extension mxf - Material Exchange Format file
file extension webm - Matroska WebM video file
file extension h264 - H.264 video file
file extension svp - Virtual DJ visualization effects
file extension ipd - BlackBerry backup (pre 2012) file
file extension wotreplay - World of Tanks battle recording file
file extension nomedia - Google Android OS system file
file extension npf - Samsung PC Studio phone book backup file
file extension asec - Google Android encrypted application package file
file extension tec - Tecplot ASCII data file
file extension obb - Google Android opaque binary blob file
file extension deskthemepack - Microsoft Windows 8 theme pack file
file extension part - Partial download file
file extension flac - Audio files encoded by Flac - free lossless audio codec
file extension pdf - Adobe Portable document format
file extension 3ga - Audio file for wireless networks
file extension msg - Saved email message
file extension lst - List text file
file extension sublime-package - Sublime Text compressed extension package file
