| Extension | File Description |
| .N87 | Uncommon Files |
| .N88 | Uncommon Files |
| .N89 | Uncommon Files |
| .N8A | Uncommon Files |
| .N8B | Uncommon Files |
| .N8C | Uncommon Files |
| .N8D | Uncommon Files |
| .N8E | Uncommon Files |
| .N8F | Uncommon Files |
| .N8G | Uncommon Files |
| .N8H | Uncommon Files |
| .N8I | Uncommon Files |
| .N8J | Uncommon Files |
| .N8K | Uncommon Files |
| .N8L | Uncommon Files |
| .N8M | Uncommon Files |
| .N8N | Uncommon Files |
| .N8O | Uncommon Files |
| .N8P | Uncommon Files |
| .N8Q | Uncommon Files |
| .N8R | Uncommon Files |
| .N8S | Uncommon Files |
| .N8T | Uncommon Files |
| .N8U | Uncommon Files |
| .N8V | Uncommon Files |
| .N8W | Uncommon Files |
| .N8X | Uncommon Files |
| .N8Y | Uncommon Files |
| .N8Z | Uncommon Files |
| .N90 | Uncommon Files |
| .N91 | Uncommon Files |
| .N92 | Uncommon Files |
| .N93 | Uncommon Files |
| .N94 | Uncommon Files |
| .N95 | Uncommon Files |
| .N96 | Uncommon Files |
| .N97 | Uncommon Files |
| .N98 | Uncommon Files |
| .N99 | Uncommon Files |
| .N9A | Uncommon Files |
| .N9B | Uncommon Files |
| .N9C | Uncommon Files |
| .N9D | Uncommon Files |
| .N9E | Uncommon Files |
| .N9F | Uncommon Files |
| .N9G | Uncommon Files |
| .N9H | Uncommon Files |
| .N9I | Uncommon Files |
| .N9J | Uncommon Files |
| .N9K | Uncommon Files |
| .N9L | Uncommon Files |
| .N9M | Uncommon Files |
| .N9N | Uncommon Files |
| .N9O | Uncommon Files |
| .N9P | Uncommon Files |
| .N9Q | Uncommon Files |
| .N9R | Uncommon Files |
| .N9S | Uncommon Files |
| .N9T | Uncommon Files |
| .N9U | Uncommon Files |
| .N9V | Uncommon Files |
| .N9W | Uncommon Files |
| .N9X | Uncommon Files |
| .N9Y | Uncommon Files |
| .N9Z | Uncommon Files |
| .NA | Uncommon Files |
| .NA0 | Uncommon Files |
| .NA1 | Uncommon Files |
| .NA2 | Misc Files |
| .NA3 | Uncommon Files |
| .NA4 | Uncommon Files |
| .NA5 | Uncommon Files |
| .NA6 | Uncommon Files |
| .NA7 | Uncommon Files |
| .NA8 | Uncommon Files |
| Extension | File Description |
| .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 |
| .NAM | Data Files |
| .NAME | Uncommon Files |
| .NAMEONCLIP | Uncommon Files |
| .NAMES | Uncommon Files |
| .NAN | Uncommon Files |
| .NAO | Uncommon Files |
| .NAP | Audio Files |
| .NAPLPS | Uncommon Files |
| .NAQ | Uncommon Files |
| .NAR | Uncommon Files |
| .NARC | Game Files |
| .NAS | Uncommon Files |
| .NASB | Uncommon Files |
| .NASL | Uncommon Files |
| .NAT | Uncommon Files |
| .NAU | Uncommon Files |
| .NAV | Misc Files |
| .NAVGTR | Uncommon Files |
| .NAW | Uncommon Files |
| .NAX | Uncommon Files |
| .NAY | Uncommon Files |
| .NAZ | Game Files |
| .NB | Spreadsheet Files |
| .NB0 | System Files |
| .NB1 | Uncommon Files |
| .NB2 | Uncommon Files |
| .NB3 | Uncommon Files |
| .NB4 | Uncommon Files |
| .NB5 | Uncommon Files |
| .NB6 | Uncommon Files |
| .NB7 | Backup Files |
| .NB8 | Uncommon Files |
| .NB9 | Uncommon Files |
| .NBA | Backup Files |
| .NBATTRS | Uncommon Files |
| .NBB | Uncommon Files |
| .NBC | Uncommon Files |
| .NBD | Uncommon Files |
| .NBE | Data Files |
| .NBF | Backup Files |
| .NBG | Uncommon Files |
| .NBH | Uncommon Files |
| .NBI | Backup Files |
| .NBJ | Uncommon Files |
| .NBK | Data Files |
| .NBL | Uncommon Files |
| .NBM | Plugin Files |
| .NBN | Uncommon Files |
| .NBO | Uncommon Files |
| .NBP | Data Files |
| .NBQ | Uncommon Files |
| .NBR | Uncommon Files |
| .NBS | Uncommon Files |
| .NBT | Uncommon Files |
| .NBU | Backup Files |
| .NBV | Uncommon Files |
| .NBW | Uncommon Files |
| .NBX | Uncommon Files |
| .NBY | Uncommon Files |
| .NBZ | Uncommon Files |
