Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .chw

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .chw file?
  • Which program can create the .chw file?
  • Where can you find a description of the .chw format?
  • What can convert .chw files to a different format?
  • Which MIME-type is associated with the .chw extension?
Compiled HTML Help Index .chw file icon

Compiled HTML Help Index

CHW file is a Compiled HTML Help Index. HTML Help is the standard help system for the Windows platform. The HTML Help compiler (part of the HTML Help Workshop) makes it possible to compress HTML, graphic, and other files into a relatively small compiled help (.chm) file.
Detailed description not available
Category: Data files
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Compiled HTML Help

Other types of files may also use the .chw file extension. If you have helpful information about .chw extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

ComicRack WebComic Document
Scitex Continuous Tone
Adobe Photoshop Channel Settings
Chordastic Chord
Stitch & Sew Embroidery Design
Help Combined Full-text Search
Haskell Source With C Hooks
Custom Maintenance Wizard Data
DSC Crossover Network Tuning Data

The .chw filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

dhw (1), cw (1), ctw (1), cmw (1), chq (1), chd (1), ch (1), shw (1), hcw (1), cyw (1), cuw (1), cnw (1), chs (1), che (1), cha (1)

Can't open a .chw file?

If you want to open a .chw file on your computer, you just need to have the appropriate program installed. If the .chw association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.chw

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android