| Abbreviation | Definition |
|---|---|
| ZKA | Quicken6 File |
| ZL | Easy CD Creator Drag to Disk File |
| ZLG | e-Surveiller Log Archive file |
| ZLX | Atlantis Ocean Mind Word Processing file |
| ZMF | Zoner, Inc. Draw Native Drawing File Format |
| ZMG | Zenworks version 3 and above Imaging Engine |
| ZMI | Chrono Chaos Creations mil- Cgi file |
| ZMK | Z-Up Maker Project File |
| ZMS | Zephyr ECLIPSE Server Macro Script File |
| ZMT | MOPAC Z-Matrix Molecule File |
| ZNA | Zinio Reader File |
| ZNO | Zinio Reader Magazine file |
| ZOI | eZediaMX and eZedia Player Unlocked Presentation Document |
| ZOM | Zoom Compressed Amiga file archive |
| ZON | Grand Theft Auto 3 Zone File |
| ZOO | Zoo Compressed file archive |
| ZOT | Zoot Database File |
| ZPD | Zeroadic Predicates ( ABC programming language) |
| ZPF | Zillions of Games Zillions Rules File |
| ZPJ | Zephyr ECLIPSE Server Project File |