What is a .XRM-MS file?
The file extension .XRM-MS refers to a Microsoft Security Certificate. This type of file is a certificate file that is jointly created by Microsoft and an Original Equipment Manufacturer (OEM), like Dell or HP. The purpose of this file is to digitally confirm that the software purchased is genuine and legitimate. It contains encrypted data about the certificate, which is signed using security keys from both Microsoft and the OEM.
This file is particularly used during the activation process of software on individual computers. When you install certain Microsoft software, the .XRM-MS file checks and verifies that the software is authentic and legally purchased, which helps prevent piracy and unauthorized use.
To open or use .XRM-MS files, you generally don't need to do anything manually. These files are handled by the operating system itself, specifically Microsoft Windows. When you install or activate the relevant software, Windows will automatically recognize and use the .XRM-MS file as part of its security and activation procedures. Therefore, typical users do not need to open these files directly; the system manages them in the background.
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