| Adaptec Unix Driver | |
| N/A | |
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DDZ is a driver file used by older Unix-based operating systems. Files with DDZ extension were commonly used in the 1980s mainly in SCO UNIX systems. DDZ files store driver images that can be used by the system to properly support external devices.
DDZ are no longer today. The peak of format’s popularity was in 1989 when SCO UNIX was released. The systems was later replaced by OpenServer and OpenDesktop systems, which used different type of driver format.
Linux
| .adm | Administrator Policy Template Format |
| .adml | Microsoft Administrative Language-specific XML Template Format |
| .admx | Microsoft Administrative XML Template Format |
| .aml | Microsoft Assistance Markup Language |
| .ani | Animated Cursor |
| .ann | Microsoft Windows Help Annotation Format |
| .aos | Archos Signed Encrypted Data Format |
| .asec | Google Android Encrypted Application Package Format |