| Administrator Policy Template Format | |
| N/A | |
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ADM is a file type used by Windows operating system. ADM is an administrative file used in group managment. ADM file stores a group policy settings template which describes location of policies in registry.
Group policies determine what privileges user in given group has on the system. ADM files cane define the user interface. Administrator can change settings for each group. Windows Vista and Windows Server 2008 (and later) use ADMX and ADML files instead of ADM files.
| .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 |