| Abbreviation | Definition |
|---|---|
| ZAA | Output of the UNIX SPLIT Utility |
| ZAB | Output of the UNIX SPLIT Utility |
| ZABW | AbiWord Compressed Document |
| ZAD | ZFax Digitized Voice File |
| ZAP | FileWrangler Compressed File |
| ZAP | Rebel Software Installation Manager |
| ZAP | Windows Software Installation Settings |
| ZAP | Zone Labs, Inc. Zone Alarm Data |
| ZARGO | Poseidon UML CE/SE Diagram |
| ZAX | Z-Axis 3-D Office Design Software |
| ZBA | Compressed File Run Through UNIX COMPRESS and BTOA |
| ZBD | MechWarrior 3 Snow Fields File |
| ZBD | Zebedee Encrypted File |
| ZBD | ZoomBrowser Database File |
| ZBF | Z-Buffer Radiance File |
| ZBR | Zoner ZBR Preview file |
| ZBX | Disk Volume Identification |
| ZC | Zipkey Configuration File |
| ZCC | ECLIPSE Server Configuration Information |
| ZCC | Zephyr Communication Configuration file |