| Extension | File Description |
| .MGD | Uncommon Files |
| .MGE | Uncommon Files |
| .MGG | Uncommon Files |
| .MGH | Uncommon Files |
| .MGI | Uncommon Files |
| .MGJ | Uncommon Files |
| .MGMAP | Uncommon Files |
| .MGN | Uncommon Files |
| .MGO | Uncommon Files |
| .mgp | Uncommon Files |
| .MGQ | Uncommon Files |
| .MGR | Uncommon Files |
| .MGRP | Uncommon Files |
| .MGT | Uncommon Files |
| .MGTPL | Uncommon Files |
| .MGU | Uncommon Files |
| .MGW | Uncommon Files |
| .MGY | Uncommon Files |
| .MGZ | Uncommon Files |
| .MH | Uncommon Files |
| .MH0 | Uncommon Files |
| .MH1 | Uncommon Files |
| .MH2 | Uncommon Files |
| .MH3 | Uncommon Files |
| .MH4 | Uncommon Files |
| .MH5 | Uncommon Files |
| .MH6 | Uncommon Files |
| .MH7 | Uncommon Files |
| .MH8 | Uncommon Files |
| .MH9 | Uncommon Files |
| .MHA | Uncommon Files |
| .MHB | Uncommon Files |
| .MHC | Uncommon Files |
| .MHD | Uncommon Files |
| .MHE | Uncommon Files |
| .MHF | Uncommon Files |
| .MHG | Uncommon Files |
| .MHH | Uncommon Files |
| .MHI | Uncommon Files |
| .MHJ | Uncommon Files |
| .MHK | Uncommon Files |
| .MHL | Uncommon Files |
| .MHM | Uncommon Files |
| .MHN | Uncommon Files |
| .MHO | Uncommon Files |
| .MHQ | Uncommon Files |
| .MHR | Uncommon Files |
| .MHS | Uncommon Files |
| .MHTENX | Uncommon Files |
| .MHTM | Uncommon Files |
| .MHTMLENX | Uncommon Files |
| .MHU | Uncommon Files |
| .MHV | Uncommon Files |
| .MHW | Uncommon Files |
| .MHX | Uncommon Files |
| .MHY | Uncommon Files |
| .MHZ | Uncommon Files |
| .MI | Uncommon Files |
| .MI0 | Uncommon Files |
| .MI1 | Uncommon Files |
| .MI2 | Uncommon Files |
| .MI3 | Uncommon Files |
| .MI5 | Uncommon Files |
| .MI6 | Uncommon Files |
| .MI7 | Uncommon Files |
| .MI8 | Uncommon Files |
| .MI9 | Uncommon Files |
| .MIA | Uncommon Files |
| .MIB | Uncommon Files |
| .MIBFONT | Uncommon Files |
| .MICE | Uncommon Files |
| .MIDIFILE | Uncommon Files |
| .MIDISYNTH | Uncommon Files |
| .MIDNAM | Uncommon Files |
| .MIFF | Uncommon Files |
| Extension | File Description |
| .MIH | Uncommon Files |
| .MIJ | Uncommon Files |
| .MIK | Uncommon Files |
| .MIL | Uncommon Files |
| .MIMG | Uncommon Files |
| .MIN | Uncommon Files |
| .MINDTEASER | Uncommon Files |
| .MINGW | Uncommon Files |
| .MINGW32 | Uncommon Files |
| .MINI | Uncommon Files |
| .MINIGSF | Uncommon Files |
| .MINIPSF | Uncommon Files |
| .MINIPSF2 | Uncommon Files |
| .MIPSEL | Uncommon Files |
| .MIQ | Uncommon Files |
| .MISC | Uncommon Files |
| .MISCTOOL | Uncommon Files |
| .MISS | Uncommon Files |
| .MISTRALLOG | Uncommon Files |
| .MISTY | Uncommon Files |
| .MIT | Uncommon Files |
| .MITSU | Uncommon Files |
| .MIU | Uncommon Files |
| .MIV | Uncommon Files |
| .MIW | Uncommon Files |
| .MIY | Uncommon Files |
| .MIZ | Uncommon Files |
| .MJ | Uncommon Files |
| .MJ0 | Uncommon Files |
| .MJ1 | Uncommon Files |
| .MJ3 | Uncommon Files |
| .MJ4 | Uncommon Files |
| .MJ5 | Uncommon Files |
| .MJ6 | Uncommon Files |
| .MJ7 | Uncommon Files |
| .MJ8 | Uncommon Files |
| .MJ9 | Uncommon Files |
| .MJA | Uncommon Files |
| .MJB | Uncommon Files |
| .MJC | Uncommon Files |
| .MJD | Uncommon Files |
| .MJE | Uncommon Files |
| .MJF | Uncommon Files |
| .MJG | Uncommon Files |
| .MJH | Uncommon Files |
| .MJI | Uncommon Files |
| .MJJ | Uncommon Files |
| .MJK | Uncommon Files |
| .MJL | Uncommon Files |
| .MJM | Uncommon Files |
| .MJN | Uncommon Files |
| .MJO | Uncommon Files |
| .MJQ | Uncommon Files |
| .MJR | Uncommon Files |
| .MJS | Uncommon Files |
| .MJT | Uncommon Files |
| .MJU | Uncommon Files |
| .MJV | Uncommon Files |
| .MJW | Uncommon Files |
| .MJX | Uncommon Files |
| .MJY | Uncommon Files |
| .MJZ | Uncommon Files |
| .MK0 | Uncommon Files |
| .MK1 | Uncommon Files |
| .MK2 | Uncommon Files |
| .MK3 | Uncommon Files |
| .MK4 | Uncommon Files |
| .MK5 | Uncommon Files |
| .MK6 | Uncommon Files |
| .MK7 | Uncommon Files |
| .MK8 | Uncommon Files |
| .MK9 | Uncommon Files |
| .MKB | Uncommon Files |
| .MKC | Uncommon Files |
| .MKD | Uncommon Files |
