A gkon file extension is related to the GraphicConverter and used for its data files.
GKON file extension - GraphicConverter data
What is gkon file? How to open gkon files?
File type specification:
The gkon file extension is associated with the GraphicConverter, a graphics data converting tool for Mac OS Classic and first versions of Mac OS X operating systems.
The gkon file stores various data used for internal purposes of the GraphicConverter.
This gkon 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.