How to open EF files

Did your computer fail to open an EF file? We explain what EF files are and recommend software that we know can open or convert your files.

What is an EF file?

The EF file extension indicates to your device which app can open the file. However, different programs may use the EF file type for different types of data.

We are aware of 1 different use of the EF extension, which you can read more about below.

Face The Music Effect

Through our analysis of EF files, we know that one use of the format is Face The Music Effect. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

We have not verified any programs yet that works with this specific format. If you know any, please use the 'Suggest a program' link below. Thanks!

Software that will open, convert or fix EF files

These apps are known to open certain types of EF files. Since many different programs may use EF files for different purposes, you may need to try a few of the apps to open your specific EF file.

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We have not verified any programs that we know for certain can work with EF-files on Mac. If you know one, please use the Suggest link below and tell us about it!
We have not verified any online services that we know for certain can work with EF-files. If you know one, please use the Suggest link below and tell us about it!