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How to open .CHW file extension?

File Type : HTML Help General Index Funtionally comparable to .GID.
Compatible with (WinXP,Vista,Win7,Win8 and Win10)

Looking for a program to open .CHW files?

"Windows unable to open a file!" is probably the most common error faced by millions every day. This is either because the program required to open a file is not available on your system or there may be other issues.

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What is .CHW file extension?

.CHW file extension is a known file type. This section of tells you everything you need to know about this extension.
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. 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.
You can see a list of software programs here on that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.

Software that can be used to open .CHW files:

Microsoft Windows:
  • The Helpware Group FAR