File Extension CFA

  • Full name
    Adobe Premiere Pro Audio Format
  • Developer
    Adobe Systems
  • Popularity
Have you encountered a problem with a CFA file? Don’t you know which program opens a file with this extension? You will find all the information you need about working with a CFA file here. In the further part of this page we have added a list of programs that should open your CFA file. It is enough you choose a proper application for your operating system, download and install it.


The file extension CFA is used for so-called conformed audio files from various media-processing Adobe products. CFA files are automatically generated files that are created when importing or adding an audio file to a project.

Imported audio files are converted to CFA files with 32-bit resolution (probably) without compression, to ensure the highest quality editing and faster previewing. Unfortunately, these files are usually much larger than the original files.

Depending on the file type, the program creates various auxiliary files (cfa, mpgindex) in the media cache. It also creates a media cache database that certain Adobe programs can share. This gives the programs access to the media caches of the other programs. (if available)

You can create or clean up cache folders under 'Edit-> Preferences-> Media & Disk Cache' (Windows) or 'Settings-> Media & Disk Cache' (Mac OS). These files are only necessary during a project and can be deleted after completion.

Programs which can open a CFA file

How to open a CFA file? Advice and guidance

Absolutely most often appearing reason that prevents you from opening the CFA file is the lack of a proper application to support it in your operating system. It is notably the first thing you need to address. When one of the programs to support a CFA file from the list is already installed, you can try to rerun the file. The system should display a message asking you to choose a primary application to support CFA files. At this point we are looking for disk space where the application was installed in and we can link it with a CFA file. Since then, our operating system will use the selected program to support all CFA files.

Other issues

Despite the described problem with CFA there may be many more problems. If the existing operations were not effective, get involved with the following matters:

- verify that the CFA file is not damaged and that it has been downloaded or copied in whole
- verify that the file has a file extension that has not been intentionally changed (for example, if it do not contain other information than its extension suggests)
- make sure again whether the CFA file type is linked in the operating system with a proper program
- make sure that the file is not infected with a virus and you have up to date software and drivers.

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