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CHM files are compiled HTML help files used primarily for software documentation on Windows. They bundle multiple HTML pages, images, and an index into a single, compressed file for easy access. Originally introduced by Microsoft in the late 1990s, CHM files became a standard for offline help systems in Windows applications.
CHM files are essentially a collection of HTML pages compiled using the Microsoft Compiled HTML Help format. They use the LZX compression algorithm to reduce file size and contain an internal index and table of contents for navigation. The format is based on the Microsoft Compressed HTML Help file format, which is a proprietary archive format.
CHM files support full-text search and hyperlinks, making navigation through extensive help content straightforward. They are commonly created using Microsoft's HTML Help Workshop tool. Despite their popularity, CHM files have limitations with modern web features and security concerns, leading to a decline in their use.
No specific conversions to MS Compiled HTML Help are available at the moment.
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