How to open FSF files

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

What is a FSF file?

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

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

Quartus Software Build Settings File

Through our analysis of FSF files, we know that one use of the format is Quartus Software Build Settings File. 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 FSF files

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

ViceVersa ProViceVersa ProUser submitted
ContigExpressContigExpressUser submitted
BestSyncBestSyncUser submitted
ViceVersa PlusViceVersa PlusUser submitted
FlightScope Firmware WriterFlightScope Firmware WriterUser submitted
FormsFormsUser submitted
ViceVersa - FREEViceVersa - FREEUser submitted
Real FormsReal FormsUser submitted
FisherSolveFisherSolveUser submitted
SWS-ViewerSWS-ViewerUser submitted
We have not verified any programs that we know for certain can work with FSF-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 FSF-files. If you know one, please use the Suggest link below and tell us about it!