How to Open a CHM File on PC or Mac

This minHour teaches you how to use any web browser to open and view the contents of a CHM help file. CHM files are compressed HTML files with text, images, hyperlinks and other content. They usually contain help documentation and manuals.

Steps

Right-click your CHM file.

Locate the CHM file you want to open on your computer, and right-click on the file icon to open the context menu.

Hover over Open with on the right-click menu.

This will open a list of apps on a sub-menu.

  • If you don’t see a web browser on the “Open with” menu, click Other or Choose a different app at the bottom. This will allow you to select from the full list of all your apps.

Select a web browser on the “Open with” menu.

You can use any browser like Firefox, Safari or Chrome to open the file. Once selected, the contents of the CHM file will appear.

  • You can browse the documentation in the CHM file like you would a regular website.

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