- Extension
- .chw
- .zipx
- Format
- Binary
- Binary
- Category
- Developer
- Compressed
- Developer
- Microsoft
- PKWARE, Inc.
- Description
- A CHW file, or Compiled Help Index File, is a type of file associated with Microsoft Compiled HTML Help, a proprietary format for online help files developed by Microsoft. This file specifically stores the index for a help file, allowing users to search and locate information quickly within the help documentation. The CHW file works in conjunction with a CHM file, which contains the actual help content, including text, images, and navigation.
- WinZip, starting with version 12.1, uses the extension .zipx for ZIP files that use compression methods newer than DEFLATE; specifically, methods BZip, LZMA, PPMd, Jpeg and Wavpack. The last 2 are applied to appropriate file types when "Best method" compression is selected.
- MIME Type
- application/vnd.ms-works
- application/zip
