How to open FN3 files

Did your computer fail to open a FN3 file? We explain what FN3 files are and recommend software that we know can open or convert your files.

What is a FN3 file?

The FN3 file extension indicates to your device which app can open the file. However, different programs may use the FN3 file type for different types of data.

We are aware of 1 different use of the FN3 extension, which you can read more about below.

Harvard Graphics Font (v3.x)

Through our analysis of FN3 files, we know that one use of the format is Harvard Graphics Font (v3.x). 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!