| Extension | File Description |
| .NA5 | Uncommon Files |
| .NA6 | Uncommon Files |
| .NA7 | Uncommon Files |
| .NA8 | Uncommon Files |
| .NA9 | Uncommon Files |
| .NAA | Uncommon Files |
| .NAB | Uncommon Files |
| .NAC | Uncommon Files |
| .NACHTMUSIK | Uncommon Files |
| .NAD | Uncommon Files |
| .NAE | Uncommon Files |
| .NAF | Uncommon Files |
| .NAG | Uncommon Files |
| .NAH | Uncommon Files |
| .NAI | Uncommon Files |
| .NAIL | Uncommon Files |
| .NAJ | Uncommon Files |
| .NAK | Uncommon Files |
| .NAL | Uncommon Files |
| .NAME | Uncommon Files |
| .NAMEONCLIP | Uncommon Files |
| .NAMES | Uncommon Files |
| .NAN | Uncommon Files |
| .NAO | Uncommon Files |
| .NAPLPS | Uncommon Files |
| .NAQ | Uncommon Files |
| .NAR | Uncommon Files |
| .NAS | Uncommon Files |
| .NASB | Uncommon Files |
| .NASL | Uncommon Files |
| .NAT | Uncommon Files |
| .NAU | Uncommon Files |
| .NAVGTR | Uncommon Files |
| .NAW | Uncommon Files |
| .NAX | Uncommon Files |
| .NAY | Uncommon Files |
| .NB1 | Uncommon Files |
| .NB2 | Uncommon Files |
| .NB3 | Uncommon Files |
| .NB4 | Uncommon Files |
| .NB5 | Uncommon Files |
| .NB6 | Uncommon Files |
| .NB8 | Uncommon Files |
| .NB9 | Uncommon Files |
| .NBATTRS | Uncommon Files |
| .NBB | Uncommon Files |
| .NBC | Uncommon Files |
| .NBD | Uncommon Files |
| .NBG | Uncommon Files |
| .NBH | Uncommon Files |
| .NBJ | Uncommon Files |
| .NBL | Uncommon Files |
| .NBN | Uncommon Files |
| .NBO | Uncommon Files |
| .NBQ | Uncommon Files |
| .NBR | Uncommon Files |
| .NBS | Uncommon Files |
| .NBT | Uncommon Files |
| .NBV | Uncommon Files |
| .NBW | Uncommon Files |
| .NBX | Uncommon Files |
| .NBY | Uncommon Files |
| .NBZ | Uncommon Files |
| .NC0 | Uncommon Files |
| .NC1 | Uncommon Files |
| .NC2 | Uncommon Files |
| .NC3 | Uncommon Files |
| .NC4 | Uncommon Files |
| .NC5 | Uncommon Files |
| .NC6 | Uncommon Files |
| .NC7 | Uncommon Files |
| .NC8 | Uncommon Files |
| .NC9 | Uncommon Files |
| .NCA | Uncommon Files |
| .NCC | Uncommon Files |
| Extension | File Description |
| .NCE | Uncommon Files |
| .NCG | Uncommon Files |
| .NCI | Uncommon Files |
| .NCJ | Uncommon Files |
| .NCK | Uncommon Files |
| .NCL | Uncommon Files |
| .NCM | Uncommon Files |
| .NCN | Uncommon Files |
| .NCP | Uncommon Files |
| .NCQ | Uncommon Files |
| .NCS | Uncommon Files |
| .NCSA | Uncommon Files |
| .NCU | Uncommon Files |
| .NCV | Uncommon Files |
| .NCW | Uncommon Files |
| .NCY | Uncommon Files |
| .NCZ | Uncommon Files |
| .ND0 | Uncommon Files |
| .ND1 | Uncommon Files |
| .ND2 | Uncommon Files |
| .ND3 | Uncommon Files |
| .ND4 | Uncommon Files |
| .ND5 | Uncommon Files |
| .ND6 | Uncommon Files |
| .ND7 | Uncommon Files |
| .ND8 | Uncommon Files |
| .ND9 | Uncommon Files |
| .NDA | Uncommon Files |
| .NDAS | Uncommon Files |
| .NDCT | Uncommon Files |
| .NDD | Uncommon Files |
| .NDE | Uncommon Files |
| .NDG | Uncommon Files |
| .NDH | Uncommon Files |
| .NDI | Uncommon Files |
| .NDJ | Uncommon Files |
| .NDM | Uncommon Files |
| .NDN | Uncommon Files |
| .NDO | Uncommon Files |
| .NDP | Uncommon Files |
| .NDQ | Uncommon Files |
| .NDR | Uncommon Files |
| .NDT | Uncommon Files |
| .NDU | Uncommon Files |
| .NDV | Uncommon Files |
| .NDW | Uncommon Files |
| .NDY | Uncommon Files |
| .NDZ | Uncommon Files |
| .NE0 | Uncommon Files |
| .NE1 | Uncommon Files |
| .NE2 | Uncommon Files |
| .NE3 | Uncommon Files |
| .NE4 | Uncommon Files |
| .NE5 | Uncommon Files |
| .NE6 | Uncommon Files |
| .NE7 | Uncommon Files |
| .NE8 | Uncommon Files |
| .NE9 | Uncommon Files |
| .NEA | Uncommon Files |
| .NEB | Uncommon Files |
| .NEBULA | Uncommon Files |
| .NEBULOS | Uncommon Files |
| .NEC | Uncommon Files |
| .NEE | Uncommon Files |
| .NEEDS | Uncommon Files |
| .NEG | Uncommon Files |
| .NEGPOS | Uncommon Files |
| .NEH | Uncommon Files |
| .NEI | Uncommon Files |
| .NEJ | Uncommon Files |
| .NEK | Uncommon Files |
| .NEL | Uncommon Files |
| .NEM | Uncommon Files |
| .NEN | Uncommon Files |
| .NEO40SFONT | Uncommon Files |
