EFA File - opening and understanding

Did your computer fail to open an EFA file? We explain what they are used for and recommend software that we know can open or otherwise handle your .EFA files.

What is an EFA file?

The .efa file extension is most commonly associated with the Ensoniq Advanced Sampling Recorder. This digital music production studio was released in the early 90s. The EFA files store the audio files created with the application.

The .efa file extension is also used for Ecrypt 2005 encrypted files.

How to open EFA files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension EFA for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 2 different EFA openers which you will find listed below.

Suggest another file format using extension EFA

While we know of one file format using the .EFA file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .EFA file.

Various viewers for this file format

These apps are known to open certain types of EFA files. Remember, different programs may use EFA files for different purposes, so you may need to try out a few of them to be able to open your specific file.

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We have not verified any software that we know for certain will work with EFA-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with EFA-files. If you know one, please use the 'Suggest a program' link below and tell us about it!