Files with fonts file extension might be found as old font files for Macintosh and Linux.
FONTS file extension - Font
What is fonts file? How to open fonts files?
File type specification:
The fonts file extension is reported to have been used for some sort of fonts file format.
Probably used in some old program for Macintosh or Linux. No further information could be found.
This fonts file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.