File extension chw

Name: Miscellaneous Files

Popularity: 6

Open With: Microsoft HTML Help

What is this chw file?

Index file automatically generated when multiple Compiled HTML Help (.CHM) files are merged together; creates the Help table of contents and contains references to each CHM file. The CHW file must be rebuilt each time any of the merged CHM files are updated. Otherwise, the indexes will not merge correctly and the table of contents will not be valid. CHW files can be compressed using the KeyCHW program.

Name: Data Files

Popularity: 1

Open With: Ultra File Opener special version

What is this chw file?

The CHW file extension is associated with Microsoft Compiled HTML Help. The .chw files contain help general index. Microsoft Compiled HTML Help is a proprietary format for online help files, developed by Microsoft and first released in 1997 as a successor to the Microsoft WinHelp format. It was first introduced with the release of Windows 98, and is still supported and distributed through Windows XP, Vista and Windows 7 platforms.