How to open FDFF files

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

What is a FDFF file?

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

While we do not yet describe the FDFF 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 FDFF 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 FDFF

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

Fast Duplicate File FinderFast Duplicate File FinderUser submitted
Fast Duplicate File Finder ProFast Duplicate File Finder ProUser 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 FDFF-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 FDFF-files. If you know one, please use the Suggest link below and tell us about it!