All about GMMP Files

The GMMP file type is primarily associated with Windows Color System.

GMMPFile Extension GMMP
File extension: GMMP
File type:  Gamut Map Model Profile (GMMP)

What is a GMMP file?

GMMP files mostly belong to Windows Color System by Microsoft Corporation. A GMMP targets a particular gamut mapping model, either one of the built-in baseline gamut mapping models, or a plug-in gamut mapping model. As with DMPs (CDMP file extension), a GMMP that targets a plug-in GMM must also specify a baseline gamut mapping model as a fallback.

How to open GMMP files

You need a suitable software like Windows Color System to open a GMMP file. You need a suitable software like Windows Color System from Microsoft Corporation to open a GMMP 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 GMMP file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a GMMP file directly in the browser:. Just drag the file onto this browser window and drop it.

Online GMMP Text Viewer

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.GMMP File Not Opening? How to Fix It:

Because .GMMP files can originate from different applications, they aren't universally openable.

  1. Identify the Source: Receiving this from a graphic designer or Windows administrator suggests it is a Windows Color System Gamut Map Model Profile.
  2. Check the Header: Inspect the first bytes in a text editor or hex viewer:
    • Readable XML often indicates a standard Microsoft color profile.
    • "PK" suggests a zipped archive.
    • Unreadable binary data implies a proprietary format.
  3. Use the Original Software: The original program is usually required; try Microsoft Windows Color System tools, compatible graphic design software, or ask the sender if uncertain.
  4. Use this Webpage: Drag and drop your file here to automatically detect its format, extract readable metadata, and preview the contents.

Technical Data for GMMP File Extension

Related files:

a gmmp Gamut Map Model Profile (GMMP) is a special file format by Microsoft Corporation and should only be edited and saved with the appropriate software.

How to solve problems with GMMP files

  • Associate the GMMP file extension with the correct application.
  • Update your software that should actually open gamut map model profile (gmmp)s. Because only the current version supports the latest GMMP file format. Search, therefore, e.g. on the Microsoft Corporation manufacturer website after an available Windows Color System update.
  • To make sure that your GMMP file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
  • Click here to open your .GMMP file online - secure, fast, and no downloads needed.
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