Opening an MMR File

The MMR file type is primarily associated with LOKI.

MMRFile Extension MMR
File extension: MMR
File type:  Character Template

What is an MMR file?

MMR files mostly belong to LOKI by Synthetic Realms. LOKI is a spellcrafting aid that designs equipment templates for Mythic's Dark Age of Camelot Massively Multiplayer Online Role-Playing Game.

How to open MMR files

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

Online MMR Text Viewer

Choose your .mmr file to analyze

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.MMR File Won't Open? Here is What You Can Do

Because .MMR files can come from different programs, they aren't universally openable.

  1. Identify the Source: Gamers might have a LOKI Character Template, while IT professionals may encounter raw Modified Modified Read (MMR) fax data.
  2. Check the Header: Inspect the first bytes in a text editor or hex viewer:
    • Readable text or XML often indicates a game template.
    • "II" or "MM" might suggest a TIFF-based fax image.
    • Unreadable binary usually points to raw compression.
  3. Use the Original Software: The original program is usually required, such as LOKI by Synthetic Realms or a specialized fax viewer; if uncertain, ask the sender.
  4. Use this Webpage: Drag and drop your file into our viewer to detect the format, extract readable text or metadata, and preview when possible.

Technical Data for MMR File Extension

File classification:
Game
Related files:
mmrs, mrr, jpg, edt, template, tdd

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: MeetingMatrix.Room.Document
EXEFile: %ProgramFiles%\MMWin\mm.exe


an mmr Character Template is a special file format by Synthetic Realms and should only be edited and saved with the appropriate software.

How to solve problems with MMR files

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