File Extension Library

‹ .MP2M | .MF ›

.MMC File Extension

  • Developer by: Microsoft
  • Category: Data Files

What are .MMC files and how to open them?

Can't open .MMC file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .MMC file.

What is a .MMC file extension?

.MMC file extension is created by Microsoft. .MMC has been classified as Data Files.

.MMC is Microsoft Media Catalog

Contains a collection of images (such as a clipart gallery) or other media in an organized format; typically saved in the \Application Data\Microsoft\Media Catalog directory.

An example of an MMC file is the "Artgal50.mmc" catalog file, which contains images, keywords, and thumbnail previews used by Clip Gallery.

How to fix problems with .MMC files

  1. You need to update the application that you normally use to open .MMC files. Only the latest version of the software supports the current .MMC file format
  2. You need to check the .MMC file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)
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