We have found one software suitable in our database for this conversion.
MicroMV .mmv files are best known as special multimedia files in a videotape format originally introduced in 2001 by Sony. The support for MMV format is nowadays somewhat limited, but supposedly Nero Multimedia Suite (at least in some of its versions) did support MMV format and could convert it to other multimedia formats, including Apple Quicktime MOV format.
Updated: September 20, 2022
MMV
Files with mmv extension can be typically found as videos in the MicroMV video tape format developed by Sony. Was used in the past for movies.
MOV
Files with mov file extension can be found as digital movies and multimedia files format for QuickTime from Apple. MOV file format is a multimedia container format that can store one or more tracks of data such as video, audio, text, and effects.