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?
FNF files are PTC FEM Neutral Format model files, which you can read more about below.
The FNF file extension indicates to your device which app can open the file. However, different apps may use the same file extension for different types of data. So a FNF opener may not be able to open all kinds of FNF files. In this case, though, we only know of one specific use.
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.
FNF file openers, viewers, etc.
These apps are known to open certain types of FNF files. Remember, different programs may use FNF files for different purposes, so you may need to try out a few of them to be able to open your specific file.