A jfc file extension is related to the JWPce flash card data format.
JFC file extension - JWPce flash card data
What is jfc file? How to open jfc files?
File type specification:
The jfc file extension is associated with the JWPce, a Japanese text editing tool for Microsoft Windows operating system.
The jfc file contains flash card data used for internal purposes of JWPce.
This jfc 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.