PC.net

.mmc

File Type Microsoft Media Catalog IconMicrosoft Media Catalog
File Format Proprietary (Microsoft)
Usage Open manually; may be referenced by an application
Popularity ★ ★ ★ ☆ ☆  Average
Description

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.

Open With
Windows

IconMicrosoft Clip Gallery

Updated 2007
Information from the PC File Extensions Reference
https://pc.net/extensions/file/mmc
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