How to open FNC files

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

What is a FNC file?

FNC files are Vue D'Esprit function definition files, which you can read more about below.

The FNC 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 FNC opener may not be able to open all kinds of FNC files. In this case, though, we only know of one specific use.

Vue D'Esprit function definition

Through our analysis of FNC files, we know that one use of the format is Vue D'Esprit function definition. 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!

FNC file openers, viewers, etc.

These apps are known to open certain types of FNC files. Remember, different programs may use FNC files for different purposes, so you may need to try out a few of them to be able to open your specific file.

We have not verified any programs that we know for certain can work with FNC-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 FNC-files. If you know one, please use the Suggest link below and tell us about it!