- File extension "ms8"
- File extension "ms3d"
- File extension "mqv"
- File extension "mpn"
- File extension "mpg4"
- File extension "mpe"
- File extension "mp2m"
- File extension "moztmp"
- File extension "mos"
- File extension "moov"
- File extension "mn7"
- File extension "mm3"
- File extension "ml20"
- File extension "mkf"
- File extension "mka"
- File extension "mixed"
- File extension "mgl"
- File extension "mgh"
- File extension "mgb"
- File extension "mfm"
- File extension "message"
- File extension "memo"
- File extension "mdt"
- File extension "md3"
- File extension "mcv"
- File extension "mass"
- File extension "m20"
- File extension "m15"
- File extension "lzzzzzzz"
- File extension "lx"