| Abbreviation | Definition |
|---|---|
| NEF | Nikon Electronic Format |
| NEIC | National Enforcement Investigations Center |
| NEO | Nelson Email Organizer |
| NERP | Norwich Enhanced Recovery Programme |
| NESSI | Networked European Software and Service Initiative |
| NESSI | NGIC Enterprise Software Services for Intelligence |
| NETBIOS | Network Basic Input-Output System |
| NetViz | Network Visualization software |
| NF | Numbers Files |
| NFD | Note For Development |
| NFM | NetWork File Manager |
| NFR | New Feature Request |
| NFR | Not For Release |
| NFV | Network Functions Virtualization |
| NFW | Nova For Windows |
| NG | New Group |
| NGA | Next Generation Analyzer |
| NGC | Native Generic Compiler |
| NGC | Normalized Grayscale Correlation |
| NGEN | Native Image Generator |