FSF File

What are FSF files and how to open them

Are you having problems opening a FSF file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your FSF files.

What is a FSF file?

A .FSF file is a Quartus Software Build Settings file.

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open FSF files

Important: Different programs may use files with the FSF file extension for different purposes, so unless you are sure which format your FSF file is, you may need to try a few different programs.

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

Last updated: April 7, 2013

Various apps that use files with this extension

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.

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about FSF file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.