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.Right-click a file with the extension whose association you want to change, and then click 'Open With'.Most often they are the websites of software manufacturers. If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Where I can download the application that support CHM file? To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the CHM extension without any issue. When operating system does not recognize a filename extension, you receive the following message: If operating system recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When you click a file to open it, operating system examines the filename extension.

Chm file type