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.
.mht - Mime HTML (MHTML) 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 002 - Compressed file from a multi-volume archive (part 2)
file extension apk - Android package file
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 2007/2010 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 styl - Stylus CSS script
file extension pdf - Adobe Portable document format
file extension gsdu - GameSave Manager database update
file extension gsba - GameSave Manager save backup
file extension snapx - Snapform XML form
file extension epub - Open Publication structure eBook file
file extension apk - Android package file
file extension deb - Debian Linux package file
file extension !ut - uTorrent incomplete download file
file extension adadownload - Adobe Download Assistant partially completed download file
file extension emz - Microsoft Windows compressed enhanced metafile
file extension part - Partial download file
file extension sublime-workspace - Sublime Text workspace settings file
file extension sublime-project - Sublime Text project file
file extension smali - Google Android Smali Assembly Language developer file
file extension mdown - Markdown markup language file
file extension xlsx - Microsoft Excel 2007/2010 Open XML workbook file
file extension ff9 - Acorn RISC OS bitmap image sprite file
file extension as2 - ACTIVstudio resource file
file extension kcl - KeywordConvert keyword phrase list
