A daily updated filename extension database!

CHW file extension

The table below provides useful information about the .chw file extension. It answers questions such as:

  • What is the .chw file?
  • What program do I need to open a .chw file?
  • How can the .chw file be opened, edited or printed?
  • How can I convert .chw files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

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

✅ 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.
CHW format description not yet available
Category: Data files
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
CHW aliases:
CHW related links:
CHW related extensions:
Compiled HTML Help

Other types of files may also use the .chw file extension.

🚫 The .chw file extension is often given incorrectly!

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

cbw, ch, cha, chd, che, chq, chs, cmw, cnw, ctw, cuw, cw, dhw, hw, shw

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Help Combined Full-text Search
ComicRack WebComic Document
ACECAD DigiMemo Memo Document
Custom Maintenance Wizard Data
Commodore 64 Cheese Image
Adobe Photoshop Channel Settings
Marvelous Designer Hardware ID Data
DSC Crossover Network Tuning Data
mIRC Chat Settings
Corel Presentations Document

🔴 Can't open a .chw file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .chw file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .chw file extension, write to us!

Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
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