Open File Explorer

Open CHM on Windows OS

• Locate CHM file in Windows Explorer and right-click on it.
• Look for the "Open with" menu option in the popup menu. If you open this menu you will see list of the applications which can open CHM file.
• If there are no programs which can open the CHM file are installed you will see "Open with..." button in the popup menu. Click on it.
• Dialog will open with Windows OS suggestion about what application can open CHM file.
• If you do not see the application which correctly matches the file try to search the internet for one of the apps mentioned above or look for technical file description below. Each description have "Application name" in it which can open the CHM file.
• If "Application name" is missing look for the "Windows Object" and "Executable command" fields because they typically contain application which can open CHM file.

Open .chm File and chm.file.

File Extension	.chm
Description	Compiled HTML Help file
Sample File Name	[Sample File].chm
Windows Object	chm.file
Executable Command To Open .chm File	%SystemRoot%\hh.exe %1
Mime Type
Links	How to open CHM File instructions on extensionfile.net Placing it here to fix Firefox 2.0 layout links

Open .chm File and chm.file.

File Extension	.chm
Description	Compiled HTML Help file
Sample File Name	[Sample File].chm
Windows Object	chm.file
Executable Command To Open .chm File	"C:\Windows\hh.exe" %1
Mime Type
Links	How to open CHM File instructions on extensionfile.net Placing it here to fix Firefox 2.0 layout links