Opening an XRM-MS File

The XRM-MS file type is primarily associated with Microsoft Office.

XRM-MSFile Extension XRM-MS
File extension: XRM-MS
File type:  XML license file

What is an XRM-MS file

XRM-MS files mostly belong to Microsoft Office. This file extension XRM-MS is an XML‐based license file used by Microsoft products to manage and validate software licenses. It is used internally by systems such as Microsoft Office Click-to-Run, Windows Server 2012 R2, and Windows Media Player to store rights management certificates and activation data.
You can open the file with a text editor, as it is plain XML. However, do not modify its contents because any changes may disrupt the automatic license verification process.
Key details sourced by FilExt.com include:
  • License Management: Contains license and rights data in XML format.
  • Internal Use: Processed by Microsoft systems like Windows Installer and the Windows Rights Management Client.
  • Readability: The file can be viewed in simple text editors without special software.
  • Integration: Utilized across Microsoft Office and Windows environments to ensure proper licensing.
  • FilExt.com note: For more details on licensing with Microsoft products, visit Microsoft 365 or Microsoft Support.

    How do you open XRM-MS files?

    You need a suitable software like Microsoft Office to open an XRM-MS file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your XRM-MS file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a XRM-MS file directly in the browser:. Just drag the file onto this browser window and drop it.

    Online XRM-MS Text Viewer

    Choose your .xrm-ms file to analyze

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    Programs that open and convert XRM-MS files:

    1. Microsoft Office
      See the previous paragraphs to learn more about the main application. XRM-MS files are often referred to as Microsoft Office settings because this type of file is primarily created or used by this software.
    2. Microsoft (Security Certificate) by Microsoft Corporation
      This is a Windows Vista activation certificate; basically an XML file found on the OEM's installation or recovery media. The identifying characters used for this association are - Hex: 3C 3F 78 6D 6C 20 76 65 72 73 69 6F 6E 3D 22 31 2E 30 22 20 65 6E 63 6F 64 69 6E 67 3D 22 75 74 66 2D 38 22 3F 3E, ASCII: .?xml.version="1.0".encoding="utf-8"?. This file format is classified as XML.

    XRM-MS file extension format:

    To find out what program is needed to open XRM-MS files, you need to determine the file format. The first characters in a file identify the file format, for example, HTML files start with the bytes <html>. Nonetheless, different programs can utilize the same file extension to represent distinct file formats. Double-clicking on the file often results in an error when opening. Knowledge is power - this also applies when dealing with unknown or faulty files. Below is our analysis of the XRM-MS files:

    The XRM-MS file extension is rarely used and is primarily used by a single program. The following file formats are most commonly found in XRM-MS files:

    The remaining 20% of all XRM-MS files are different files with different signatures. Often described as personalr. Drag & drop your file here to see the file format and a preview of your XRM-MS file!

    Technical Data for XRM-MS File Extension

    File classification:
    Settings
    Identifier:
    Hex: 3C 3F 78 6D 6C 20 76 65 72 73 69 6F 6E 3D 22 31 2E 30 22 20 65 6E 63 6F 64 69 6E 67 3D 22 75 74 66 2D 38 22 3F 3E, ASCII: .?xml.version="1.0".encoding="utf-8"? (provided by TrID database)
    Related files:
    lic, cer, msi, rms, pfx, xrm, oft, olm, msc, xml

    The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

    ProgramID: MSSLLFile
    EXEFile: iexplore.exe

    ProgramID: MSSppLicenseFile
    EXEFile: iexplore.exe


    an xrm-ms XML license file is a special file format and should only be edited and saved with the appropriate software.

    How to solve problems with XRM-MS files

    • Associate the XRM-MS file extension with the correct application.
    • Update your software that should actually open xml license files. Because only the current version supports the latest XRM-MS file format. Search, therefore, e.g. on the manufacturer website after an available Microsoft Office update.
    • To make sure that your XRM-MS file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
    • Click here to open your .XRM-MS file online - secure, fast, and no downloads needed.
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    XRM-MS file viewer XRM-MS file description