| nei | LonWorks Neuron EPROM Image File |
| nen | Nick-O-Matic Design Factory Data |
| neon | NEON Encoded Data |
| nepg | Nord Electro 3 Program |
| nes | NES ROM Image |
| nessus | Nessus Network Security Scanner |
| net | Cadence OrCAD Netlist Output Data |
| net | CIRCAD Netlist Data |
| net | KiCad Netlist Data |
| net | PTV VISUM Network Data |
| neta | Netica Binary Data |
| netspm | NetSpot Map |
| neu | Altair FEKO Femap Geometrical Data |
| nev | NeuraLynx Event Information Data |
| newsloc | Mac OS X Finder News Location Data |
| nex | NeuroExplorer Data |
| nex | NEXUS Data File |
| nf | The Bro NetFlow Data |
| nf2 | NeverForget v2 Data |
| nfa | Netflix for Android Data |
| nfb | Nokia Phone Backup |
| nfc | Nokia Phone Backup |
| nfd | Altair FEKO Near Field Data Input |
| nfd_data | Nero Multimedia Suite Data |
| nfe | Nikon Capture Fisheye Lens Data |
| nfg | Gambit Strategic Game Format File |
| nfn | NoteFly Note Data |
| nfr | CONTAM Node Flow Results Data |
| nfslicense | netfabb Basic License Key |
| nfy | IBM DB2 Administration Notification Log |
| nfz | JB BAHN Vehicle Data |
| nga | ngPlant Model Archive |
| ngc | Xilinx Platform Studio Generated Netlist |
| ngd | NimbleGen Gene Description Data |
| ngd | Xilinx ISE Native Generic Database |
