Files with mft file extension are related to the MetaFont Source Formatter.
MFT file extension - MetaFont Source Formatter file
What is mft file? How to open mft files?
File type specification:
The mft file extension is associated with the MetaFont Source Formatter, a software that is used to edit metafonts.
Metafont is a description language used to define vector fonts.
The mtf file stores some font in vector format.
This mft 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.