A cfh file extension is related to the Fieldbus Foundation and used for its capabilities data.
CFH file extension - Fieldbus Foundation capabilities data
What is cfh file? How to open cfh files?
File type specification:
The cfh file extension is associated with the Fieldbus Foundation program. The cfh file contains capabilities data format.
Most likely some old format without support. No further information could be found.
This cfh 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.