File Extension

CHM File Format

Compiled HTML file

CHM is an extension for the Compiled HTML file format, most commonly used by Microsoft’s HTML-based help program. It may contain many compressed HTML documents and the images and JavaScript they link to. CHM features include a table of contents, index, and full text searching.

 

Learn more about CHM files:

Wikipedia has an entry about compiled HTML Help.

Search for answers to CHM-related questions at IT Knowledge Exchange.

This was last updated in July 2010
Editorial Director Margaret Rouse
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