Files with MSHC extension may be used by Windows programs. The MSHC file type falls under the Developer Files category comprising 1205 formats. The most popular program for handling MSHC files is FAR. However, there are 3 different programs that support this format. The file extension mshc is associated with the Microsoft Windows Help application distributed with Microsoft Windows system. It is used to view application help files. A .mshc is a ZIP archive containing help documents in HTML format, images, etc. How to open: Use Windows Help or FAR HTML to open .mshc files.
The MSHC files store documentation deployed with software applications as a signed .CAB file. This file contains MSHC packages. You need the latest version of the software to open .MSHC files. Only it supports the current format. You should scan the file with antivirus software before opening.
When double-clicking a file, Windows checks the extension. If recognized, it opens the file in the associated program. When not recognized, you receive a message to select an app to open the .mshc file. This means Windows does not have a default program for this type.
You can associate the MSHC extension with the software in the Registry. However, it’s simpler to right-click on the file, choose “Open with” and then “Choose another application”. This lets you select the program to open MSHC files.
Microsoft Help Viewer
Sandcastle Help File Builder