Opening a CAF File

The CAF file type is primarily associated with GarageBand.

CAFFile Extension CAF
File extension: CAF
File type:  music

What is a CAF file?

CAF files mostly belong to GarageBand by Apple. CAF filename extension is associated with audio file containers saved in the Core Audio Format developed by Apple. As an audio container, a single CAF file may contain audio content saved in various formats without imposing standard file size restrictions applicable to those formats. For example, the maximum size allowed for standalone WAV files is 4GB. However, when saved as part of a CAF container, that WAV file can exceed that size limitation without issue. Text annotations, channel layouts, and markers can also be saved alongside audio content in a CAF file. QuickTime, GarageBand and third-party programs support CAF audio format. CAF is also the filename extension of character animation data files used by CryENGINE game development kit. Animation information saved in CAF files are often compiled from CHR (character files) and used to build a game's database animation (DBA) file.

How to open CAF files

You need a suitable software like GarageBand to open a CAF file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your CAF file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a CAF file directly in the browser:. Just drag the file onto this browser window and drop it.

Online CAF File Viewer

Choose your .caf file to play

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How to convert CAF files to MP3, WAV, OGG, FLAC, AAC, AIFF, ...

If you want to convert or edit a CAF file, you can use our free Online CAF File Converter (powered by Convert.Guru):
  1. To do so, click the "Choose your .caf file to play" button above.
  2. After your file is opened in browser,
  3. click "Save as..." in the menu.
  4. Then choose the audio format (e.g. MP3, WAV, OGG, FLAC, AAC, AIFF, ...) you want.
  5. Your file will be converted and downloaded.

Programs that open and convert CAF files:

  1. GarageBand by Apple
    See the previous paragraphs to learn more about the main application. CAF files are often referred to as GarageBand audios because this type of file is primarily created or used by this software.
  2. Class Action Gradebook (data) by CalEd
    Class Action Gradebook was a classroom management software for tracking attendance, class summary, grade calculations, report card generation etc. Some data used by class Action Gradebook are saved in CAF files. This file format is classified as Data.
  3. CryENGINE SDK (character animation) by CryTek
    CryENGINE SDK is a software and utilities suite for building and rendering video games. It saves character animation data in CAF files. This file format is classified as Developer.
  4. QuickTime (music) by Apple
    QuickTime is an extensible multimedia framework and playback software. QuickTime 7 and higher must be installed on macOS before you can play CAF audio files with most macOS programs. This file format is classified as Audio. Related links: CAF File Overview, Core Audio Format Specification, Audacity

CAF file format:

To find out what program is needed to open CAF files, you need to determine the file format. A file format is determined by the file extension and signature, so JPEG images have the extension .jpg and the first bytes in the file are ÿØÿ. If the file extension or signature does not match the file format, errors will occur when opening or editing the file. So you need a detailed analysis of a file to find out the format and the associated program. Below is our analysis of the CAF files:

CAF is rarely used as a file extension and is primarily used by a single program. However, the following two file formats are common:

All other CAF files (19%) have no uniform format, often, for example, Cathy catalog and Cal3D Animation File. Sometimes used for loop. If you want to find out which format your CAF file belongs to, just click on the button "Choose your .caf file to play".

Technical Data for CAF File Extension

File classification:
Audio
Related files:

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: QuickTime.caf
EXEFile: %ProgramFiles%\QuickTime\QuickTimePlayer.exe %1

ProgramID: Winamp.File
EXEFile: %ProgramFiles%\Winamp\Winamp.exe %1

ProgramID: QuickTime.caf
EXEFile: %ProgramFiles%\Media\Video\QuickTime\QuickTimePlayer.exe %1

ProgramID: QuickTime.caf
EXEFile: %ProgramFiles%\QuickTime Alternative\QuickTimePlayer.exe

ProgramID: ACDSee 9.0.caf
EXEFile: %ProgramFiles%\ACD Systems\ACDSee\9.0\ACDSeeQV.exe

ProgramID: ACDSee 7.0.caf
EXEFile: %ProgramFiles%\ACD Systems\ACDSee\7.0\ACDSee7.exe

ProgramID: ACDSee.caf
EXEFile: %ProgramFiles%\ACD Systems\ACDSee\5.0\ACDSee5.exe


a caf music is a special file format by Apple and should only be edited and saved with the appropriate software.

How to solve problems with CAF files

  • Associate the CAF file extension with the correct application.
  • Update your software that should actually open musics. Because only the current version supports the latest CAF file format. Search, therefore, e.g. on the Apple manufacturer website after an available GarageBand update.
  • To make sure that your CAF file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
  • Click here to open your .CAF file online - secure, fast, and no downloads needed.
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