How to open FEX files

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

What is a FEX file?

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

While we do not yet describe the FEX file format and its common uses, we do know which programs are known to open these files, as we receive dozens of suggestions from users like yourself every day about specific file types and which programs they use to open them.

We are continually working on adding more file type descriptions to the site, so if you have information about FEX files that you think will help others, please use the Update Info link below to submit it to us - we'd love to hear from you!

Generic FEX

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

WUFI AnimationWUFI AnimationUser submitted
File Encryption XPFile Encryption XPUser submitted

Try a universal file viewer

Try a universal file viewer like Free File Viewer. It can open over 200 different types of files - and most likely yours too. Download Free File Viewer here.

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