| znl | Number Lines Lesson Data |
| znm | ZBrush NoiseMaker Data |
| znt | SigmaWin+ Zone Table Data |
| znx | RS ZND Vector Network Analyzer Data |
| zn~ | Zinio Reader Temporary Data |
| zof | Zemax Object Format File |
| zol | Zoll RescueNet Code Review Data |
| zon | OmniPage Zone Template |
| zon | Verity Collection Building Custom Zone |
| zone | ISC Bind Zone Data |
| zook | BAMZOOKi Zook Data |
| zoommtg | Zoom Meetings Data |
| zor | Zortam Mp3 Media Studio Library |
| zos | Zemax New Lens Data |
| zot | Zoot Information Processor Database |
| zp1 | ACOS Plus.1 Project Data |
| zpa | Vielklang Audio Metadata |
| zpac | Marvelous Designer 3D Garment |
| zpc | ZappR Compiled Patch |
| zpi | PDF Converter Index Data |
| zpic | Zoom Player Install Center Text Data |
| zpicd | Zoom Player Install Center Component Database Text |
| zpk | ShipRush Shipping Template |
| zpl | Zemax Programming Language Source Code |
| zpr | ZappR Patch |
| zprj | ArcSoft Print Creations Template |
| zpt | Zoner Photo Studio Template |
| zpx | MapOCX Pro Data |
| zqe | Zemax Quantum Yield Data |
| zrc | Rainlendar Compressed Resources File |
