| .nrmlib |
Neat Cabinet File |
| .ns3 |
Lotus Notes 3 Database |
| .ns4 |
Lotus Notes 4 Database |
| .nv |
NewViews Database File |
| .nnt |
Eudora Address Book File |
| .nwdb |
Neat Database File |
| .ns2 |
Lotus Notes 2 Database |
| .ora |
Oracle Database Configuration File |
| .odb |
OpenDocument Database |
| .oqy |
Excel OLAP Query File |
| .orx |
RadiantOne VDS Database Schema |
| .owc |
OutWit Catch Database |
| .pdb |
Program Database |
| .pan |
Panorama Database File, PVsyst software Text File |
| .pnz |
Panorama Project File |
| .pdm |
PowerDesigner Database File |
| .p96 |
Win96 Database File |
| .p97 |
Win97 Database File |
| .qvd |
QlikView Data File |
| .qry |
Query File |
| .rsd |
Rosetta Stone Data File |
| .rod |
RIB office Database File |
| .rbf |
LEGO MINDSTORMS EV3 Robot Brick File |
| .rpd |
RIB Project Database File |