| nkp | Native Instruments Kontakt Presets |
| nlpd | Navicat for SQLite Data Synchronization Profile |
| nlpeq | Navicat for SQLite Export Query Result Profile |
| nlpi | Navicat for SQLite Import Wizard Profile |
| nmdsdcid | Media Player Settings |
| nmpb | Navicat for MariaDB Backup Profile |
| nmpe | Navicat for MariaDB Export Wizard Profile |
| nmpi | Navicat for MariaDB Import Wizard Profile |
| nnm | HP OpenView Network Node Manager Configuration |
| nos | JNOS System Data |
| np4 | NetPoint 4 Schedule Data |
| npb | Navicat for MySQL Backup Profile |
| npe | Nvidia nTune Profile Settings |
| npeq | Navicat for MySQL Export Query Result Profile |
| npfx | Norton Internet Security Firewall Settings |
| nppb | Navicat for PostgreSQL Backup Profile |
| nqs | Network Queuing System Hosts File |
| nspb | Navicat for SQL Server Backup Profile |
| nspd | Navicat for SQL Server Data Synchronization Profile |
| nsu | NVIDIA nTune Profile Settings |
| nsvc | Formuler S Mini Channel List |
| nts | Lotus Traveler Bootstrap File |
| nvs | Ceedo SmartPlayer Package Configuration |
| nzp | Noise Ninja Noise Profile |
| oce | OCE Database Connection File |
| oco | Open Color Format Palette |
| officeui | Microsoft Office UI Customization |
| olk14mailaccount | Microsoft Office Outlook for Mac Accounts Data |
| olk14pref | Microsoft Office Outlook for Mac Preferences |
| olsr | Olsrd Configuration |
| omc | Origin Custom Menu Configuration |
| opax | Microsoft Office User Settings File |
| opn | Opera Optimizer Settings |
| ops | Microsoft Office Profile Settings |
| ora | Oracle Configuration |
