An mmr file extension is related to the Fuji Xerox fax image file format. Seems to be obsolete format.
MMR file extension - Fuji Xerox fax image
What is mmr file? How to open mmr files?
File type specification:
The mmr file extension is used for image files usable by older software products by Fuji Xerox, called EDMICS 2000 and DocuFile probably associated with some Fax devices.
Mime types:
image/vnd.fujixerox.edmics-mmr
This mmr 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.
