How to open FNF files

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

What is a FNF file?

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

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

PTC FEM Neutral Format model

Through our analysis of FNF files, we know that one use of the format is PTC FEM Neutral Format model. 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 FNF files

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

Forte StandardForte StandardUser submitted
Forte FreeForte FreeUser submitted
Forte - Premium EditionForte - Premium EditionUser submitted
Forte - Basic EditionForte - Basic EditionUser submitted
Forte - Home EditionForte - Home EditionUser submitted
Forte - Free EditionForte - Free EditionUser submitted
ForteForteUser submitted
Forte LightForte LightUser submitted
We have not verified any programs that we know for certain can work with FNF-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 FNF-files. If you know one, please use the Suggest link below and tell us about it!