What is ADM? What Opens a ADM? File Format List from WhatIs.com

File Extension

ADM File Format

Windows NT policy template

ADM file format icon

ADM is a file extension for a policy template file format used by Microsoft Windows NT  and XP.  ADM files are typically used by system administrators to apply group policy changes to the registry for security purposes within a Microsoft Active Directory environment or on a single machine.

The ADM file extension is also used for After Dark Multi-module screensaver files.

 

Learn more about ADM files:

Margie Semilof tells about ADMX Migrator: Free software converts Group Policy templates in Vista.

Adesh Rampat explains how to ‘Stop users mapping network drives’ using ADM files.

Find answers to ADM-related questions at IT Knowledge Exchange.

This was last updated in August 2010
Editorial Director Margaret Rouse

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