Files with mma file extension were used by the Master Album Maker program.
MMA file extension - Master Album Maker album
What is mma file? How to open mma files?
File type specification:
The mma file extension is associated with Master Album Maker album files, by Intrepid Mouse Limited. The product is no longer supported and the company probably doesn't exist anymore.
This mma 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.