| Extension | File Description |
| .NQR | Uncommon Files |
| .NQS | Uncommon Files |
| .NQT | Uncommon Files |
| .NQU | Uncommon Files |
| .NQV | Uncommon Files |
| .NQW | Uncommon Files |
| .NQX | Uncommon Files |
| .NQY | Uncommon Files |
| .NQZ | Uncommon Files |
| .NR0 | Uncommon Files |
| .NR1 | Uncommon Files |
| .NR2 | Uncommon Files |
| .NR3 | Uncommon Files |
| .NR4 | Uncommon Files |
| .NR5 | Uncommon Files |
| .NR6 | Uncommon Files |
| .NR7 | Uncommon Files |
| .NR8 | Uncommon Files |
| .NR9 | Uncommon Files |
| .NRA | Audio Files |
| .NRB | Data Files |
| .NRC | Data Files |
| .NRD | Data Files |
| .NRE | Uncommon Files |
| .NRF | Uncommon Files |
| .NRG | Disk Image Files |
| .NRH | Uncommon Files |
| .NRI | Disk Image Files |
| .NRJ | Uncommon Files |
| .NRK | Uncommon Files |
| .NRL | Data Files |
| .NRM | Data Files |
| .NRN | Uncommon Files |
| .NRO | Uncommon Files |
| .NRP | Uncommon Files |
| .NRQ | Uncommon Files |
| .NRR | Uncommon Files |
| .NRS | Backup Files |
| .NRSV | Uncommon Files |
| .NRT | Audio Files |
| .NRU | Data Files |
| .NRV | Uncommon Files |
| .NRW | Raster Image Files |
| .NRX | Uncommon Files |
| .NRY | Uncommon Files |
| .NRZ | Uncommon Files |
| .NS0 | Uncommon Files |
| .NS1 | Uncommon Files |
| .NS2 | Database Files |
| .NS3 | Database Files |
| .NS4 | Database Files |
| .NS5 | Uncommon Files |
| .NS6 | Uncommon Files |
| .NS7 | Uncommon Files |
| .NS8 | Uncommon Files |
| .NS9 | Uncommon Files |
| .NSA | Uncommon Files |
| .NSB | Uncommon Files |
| .NSC | Uncommon Files |
| .NSCE | Uncommon Files |
| .NSD | Uncommon Files |
| .NSDF | Uncommon Files |
| .NSE | Uncommon Files |
| .NSF | Audio Files |
| .NSG | Uncommon Files |
| .NSH | Developer Files |
| .NSI | Developer Files |
| .NSIS | Uncommon Files |
| .NSJ | Uncommon Files |
| .NSK | Uncommon Files |
| .NSL | Uncommon Files |
| .NSM | Uncommon Files |
| .NSN | Uncommon Files |
| .NSO | Uncommon Files |
| .NSOF | Uncommon Files |
| Extension | File Description |
| .NSP | Uncommon Files |
| .NSQ | Data Files |
| .NSR | Data Files |
| .NSRD | Uncommon Files |
| .NSS | Misc Files |
| .NST | Audio Files |
| .NSU | Uncommon Files |
| .NSV | Video Files |
| .NSW | Uncommon Files |
| .NSX | Uncommon Files |
| .NSY | Uncommon Files |
| .NSZ | Uncommon Files |
| .NT | System Files |
| .NT0 | Uncommon Files |
| .NT1 | Uncommon Files |
| .NT2 | Uncommon Files |
| .NT3 | Uncommon Files |
| .NT4 | Uncommon Files |
| .NT5 | Uncommon Files |
| .NT6 | Uncommon Files |
| .NT7 | Uncommon Files |
| .NT8 | Uncommon Files |
| .NT9 | Uncommon Files |
| .NTA | Uncommon Files |
| .NTB | Uncommon Files |
| .NTC | Settings Files |
| .NTD | Uncommon Files |
| .NTE | Uncommon Files |
| .NTF | Data Files |
| .NTG | Uncommon Files |
| .NTH | Misc Files |
| .NTI | Uncommon Files |
| .NTJ | Uncommon Files |
| .NTK | Uncommon Files |
| .NTL | Uncommon Files |
| .NTM | Uncommon Files |
| .NTN | Audio Files |
| .NTO | Uncommon Files |
| .NTP | Uncommon Files |
| .NTQ | Uncommon Files |
| .NTR | Uncommon Files |
| .NTRK | Game Files |
| .NTS | Settings Files |
| .NTT | Uncommon Files |
| .NTU | Uncommon Files |
| .NTV | Uncommon Files |
| .NTW | Uncommon Files |
| .NTX | Data Files |
| .NTY | Uncommon Files |
| .NTZ | Uncommon Files |
| .NU0 | Uncommon Files |
| .NU1 | Uncommon Files |
| .NU2 | Uncommon Files |
| .NU3 | Uncommon Files |
| .NU4 | Uncommon Files |
| .NU5 | Uncommon Files |
| .NU6 | Uncommon Files |
| .NU7 | Uncommon Files |
| .NU8 | Uncommon Files |
| .NU9 | Uncommon Files |
| .NUA | Uncommon Files |
| .NUB | Uncommon Files |
| .NUC | Uncommon Files |
| .NUD | Uncommon Files |
| .NUE | Uncommon Files |
| .NUF | Uncommon Files |
| .NUG | Uncommon Files |
| .NUH | Uncommon Files |
| .NUI | Uncommon Files |
| .NUJ | Uncommon Files |
| .NUK | Uncommon Files |
| .NUL | Uncommon Files |
| .NULL | Uncommon Files |
| .NUM | Uncommon Files |
| .NUMBER | Uncommon Files |
