What is CLG? What Opens a CLG? File Format List from WhatIs.com

File Extension

CLG File Format

Windows Catalog file

CLG is a catalog file format used by Windows. CLG files are used by Windows System Image Manager to describe .WIM images. CLG files contain the state of all packages and components, and are used for displaying .WIM file contents without having to read the entire image file, which can be several gigabytes in size.

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This was last updated in October 2010
Editorial Director Margaret Rouse

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