m2p to mpg conversion is most likely related to export between two versions of MPEG multimedia files, from MPEG-2 to older MPEG-1 format. Both of these MPEG variants are a bit outdated, so naturally supported in pretty much every video editor or multimedia converter, as such it shouldn't really be a problem to find one that can help you convert m2p to mpg.
Updated: September 25, 2023