An okf file extension is related to the OKF font file format used to store free fonts.
OKF file extension - OKF font file format
What is okf file? How to open okf files?
File type specification:
The okf file extension is used for the OKF File Format is free and its purpose is to offer free fonts to the community, so that any font that follows the OKF File Format Specification is also free and may be used by all the community.
This okf 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.