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.
Latest articles
Check out the recently published articles related to file extensions, tutorials or software tips.
- Open HEIC pictures in Windows - Adding HEIF support to your computer with Copytrans HEIF for Windows
- Search file extensions from Windows context menu - Directly search File-Extensions.org's database by single click from Windows context menu upon an unknown file
- Show and hide file extensions in Windows 10
- Burn ISO to USB drive - Use Rufus utility to create exact copy of ISO image to USB drive
- Best cloud storage and services - File server cloud solution for backup pc files
- How to edit GPX files - Correcting GPS points in GPX files
- How to import photos and videos from PC to Instagram - Uploading your photos to Instagram with Gramblr
- How to convert WhatsApp CRYPT files - Decrypting WhatsApp message databases
- Open and save different versions of Corel Draw - Saving between different versions of CDR graphics
- How to reset NVRAM on Mac - Reset NVRAM of MacBook, MacBook Pro, MacBook Air, iMac, Mac Pro and Mac Mini
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.
.cam - Casio QV digital CAMera image
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 xlsx - Microsoft Excel Open XML workbook and spreadsheet
file extension rar - WinRAR RAR compressed archive
file extension numbers - Apple Numbers spreadsheet
file extension epub - Open Publication structure e-book
file extension pages - Pages document
file extension jpg - JPEG bitmap image format
file extension oxps - Microsoft OpenXPS document
file extension mp3 - Compressed audio and music file, mp3 songs or ringtones
file extension part - Partial download
file extension dwg - AutoCAD drawing
file extension cdr - CorelDRAW vector or bitmap graphics
file extension one - Microsoft OneNote document
file extension mp4 - MPEG-4 video file 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 rxml - Roxen Macro Language source code
file extension rft - IBM DisplayWrite document
file extension ms - 3D Studio Max script source code
file extension wdn - AutoCAD Electrical project-related data
file extension pcj - IBM LinkWay graphics data
file extension configure - Bash data
file extension procps - Gnome Desktop data
file extension to4 - Top 4 compressed data
file extension polarbowlersavedgame - Polar Bowler saved game data
file extension fnp - IBM FileNet IDM Desktop settings
file extension bmtp - Bome's Midi Translator project
file extension 3pi - 3rd PlanIt data
file extension wa! - GigaStudio/GigaSampler compressed wave data
file extension opf - FlipAlbum album data
file extension mgt - Guitar Guru song
Follow us!