| Abbreviation | Definition |
|---|---|
| NVS | Network Viewing Software |
| NWB | NetWork Briefing |
| NWC | NetWare Cluster |
| NWC | Network Computing |
| NWDL | Nawras Wireless Data Link |
| NWE | Non- Working Equipment |
| NWI3 | NetWork Interface V3 |
| NWIW | NetWorker Integration Workshop |
| NWP | Node With Parent |
| NWW | Network World, Inc. |
| NXF | NetLinx CardFrame |
| NXU | Network eXtension Unit |
| NYN | New York Network |
| NZCN | Nottingham Zimbabwe Community Network |
| O | Online |
| O|F | On File |
| O2T | Originator to Target |
| OA | Open Access |
| OAL | Optical Access Link |
| OAOT | Orbital Astral Observatory Technologies |