ADM File Type

- The quick facts

What are ADM files and how to open them

Are you having problems opening an ADM file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is an ADM file?

ADM files have multiple uses, and Windows Policy Administrative Template is one of them.

Windows Policy Administrative Template

These ADM files contain the details that describe both the user interface presented to the Group policy administrator and the registry key that needs updating on target machines. Windows Policy, a feature of a Microsoft Operating system that controls the user accounts' working environment on your PC, uses these ADM files.

ADM files are text files that help manage registry-based policies, and they have a specific syntax that describes both the interface and registry values. This information will change if the policy gets enabled or disabled.

How to open ADM files

Important: Different programs may use files with the ADM file extension for different purposes, so unless you are sure which format your ADM file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested 8 different ADM openers which you will find listed below.

Last updated: February 26, 2022

All known file formats using extension .ADM

While Windows Policy Administrative Template is a popular type of ADM-file, we know of 2 different uses of the .ADM extension. Different software may use files with the same extension for different types of data.

Addict Compiled Dictionary

These ADM files contain the words and spellchecks used in your Addict spellchecker application. You can edit and create your own custom dictionary with spellchecking and autocorrects that you can store or share using an ADM file. You can download pre-built language dictionaries.

While we have not verified the apps ourselves yet, our users have suggested 8 different ADM openers which you will find listed below.

Various apps that use files with this extension

These apps are known to open certain types of ADM files. Remember, different programs may use ADM files for different purposes, so you may need to try out a few of them to be able to open your specific file.

PowerDesignerPowerDesignerUser submitted
ARCDRAWARCDRAWUser submitted
MercatorMercatorUser submitted
Microsoft OfficeMicrosoft OfficeUser submitted
PTOLEMYPTOLEMYUser submitted
Any Video Converter FreeAny Video Converter FreeUser submitted
HunKalkHunKalkUser submitted
DiscMenuDiscMenuUser submitted