FSF File - opening and understanding

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

What is a FSF file?

A .FSF file is a 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.

How to open FSF 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 FSF for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 10 different FSF openers which you will find listed below.

Suggest another file format using extension FSF

While we know of one file format using the .FSF 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 .FSF file.

Various viewers for this file format

These apps are known to open certain types of FSF files. Remember, different programs may use FSF files for different purposes, so you may need to try out a few of them to be able to open your specific 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 software that we know for certain will work with FSF-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 FSF-files. If you know one, please use the 'Suggest a program' link below and tell us about it!