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CHW File - What is a .chw file and how do I open it?

Learn about .CHW files and view a list of programs that open them.

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Overview

What is a CHW file? Help index file created when multiple Compiled HTML Help ( .CHM ) files are merged together; stores the combined table of contents for the Help content and also includes references to each CHM file; must be rebuilt each time any of the referenced CHM files are updated or the table of contents will not be valid.

More Information CHW files may be very large in size because they are not compressed. However, if you use a program such as KeyCHW or The Helpware Group's FAR, you can compress CHW files and decrease the file size substantially. The FAR software allows you to view the contents of a CHW file. Choose Authoring → Help File Explorer... from the application menu and then select your CHW file.

Popularity3.9/5

14 votes

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VerifiedVerified by FileInfo.com The FileInfo.com team has independently researched the Compiled Help Index file format and Windows apps listed on this page. Our goal is 100% accuracy and we only publish information about file types that we have verified. If you would like to suggest any additions or updates to this page, please let us know .

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DeveloperMicrosoft
Popularity3.9 | 14 Votes

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In-Depth

.CHW File Extension

Compiled Help Index File

DeveloperMicrosoft
Popularity
3.9  |  14 Votes
 

What is a CHW file?

More Information

CHW files may be very large in size because they are not compressed. However, if you use a program such as KeyCHW or The Helpware Group's FAR, you can compress CHW files and decrease the file size substantially.

The FAR software allows you to view the contents of a CHW file. Choose Authoring → Help File Explorer... from the application menu and then select your CHW file.

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Programs that open or reference CHW files

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Category: Misc Files

Updated: July 11, 2012

FAQ

What is a CHW file?↓
Help index file created when multiple Compiled HTML Help (.CHM) files are merged together; stores the combined table of contents for the Help content and also includes references to each CHM file; must be rebuilt each time any of the referenced CHM files are updated or the table of contents will not be valid.

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