CHM Opener

How to open CHM file?

The software referred to as CHM Opener allows you to freely work with CHM files, including opening their contents. The first thing you should do is double-click the CHM file icon you want to open. If you have the correct software your problem should be resolved. After clicking on the CHM file icon, the operating system should open its content with the associated software. However, if an error occurred while opening the file, you can try to fix it by following the instructions below in turn.

Open CHM files in 9 steps

1. Check if the Compiled HTML Help Format file can be handled by the given operating system. If the user tries to open the file Compiled HTML Help Format on a system other than Linux, Mac OS, Windows, it may fail.
2. Make sure that the default application for the files CHM, Microsoft Windows or one of the following xCHM, WinCHM, PowerCHM, ChmDecompiler is installed in the operating system. The solution to this problem is to install the appropriate software that supports files with the extension CHM.
3. Check if files with the extension CHM are associated with the application Microsoft Windows or one of the programs such as xCHM, WinCHM, PowerCHM, ChmDecompiler. If this is not the case, you should manually set the program, preferably by editing the properties of the Compiled HTML Help Format file and displaying the applications available on the system that allow you to open it. On the list, search for one of the Microsoft Windows, xCHM, WinCHM, PowerCHM, ChmDecompiler applications and confirm.

Software programs that open CHM file extension

Windows
• ChmDecompiler
• Microsoft Internet Explorer
• PowerCHM
• WinCHM
• xCHM
MAC OS
• Mozilla Firefox
• Safari
• xCHM
Linux
• Mozilla Firefox
• xCHM
4. Files ripped from external media or downloaded from the Internet may have a damaged structure. In this case, the Microsoft Windows, xCHM, WinCHM, PowerCHM, ChmDecompiler programs will not be able to open the Compiled HTML Help Format file despite their presence in the system. Re-downloading or copying the file may fix the problem.
5. In case the Compiled HTML Help Format file is infected, the anti-virus program will prevent it from being opened. In this situation, it is recommended to scan all data media in the system for viruses.
6. The Compiled HTML Help Format file may be saved in a way that is no longer supported. In this case, you may find that the newer version of the application does not support this older format.
7. The condition for the correct handling of the Compiled HTML Help Format file may be the regular download and installation of the application update in which the user wants to open it. Determine the version of your program and, if necessary, install the latest one.
8. In some cases, the user initiates the opening of the file with a shortcut that leads to a location where it is not present.
9. The inability to open the Compiled HTML Help Format file may be due to restrictions imposed on the user by the system administrator.

Useful tools

If, despite going through all the steps, it was not possible to open the file with the CHM extension, you can try some of the proposed tools. Below are the websites we have verified that may help you open the CHM file.

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