Full format name of files that use HHC extension is HTML Help Table Of Contents. HTML Help Table Of Contents format was developed by Microsoft. Files with HHC extension may be used by programs distributed for Windows platform. HHC file format, along with 323 other file formats, belongs to the System Files category. Microsoft HTML Help Workshop supports HHC files and is the most frequently used program to handle such files, yet 2 other tools may also be used. Software named Microsoft HTML Help Workshop was created by Microsoft Corporation. In order to find more detailed information on the software and HHC files, check the developer’s official website.
Below is a table that list programs that support HHC files. Files with HHC suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.
There can be multiple causes why you have problems with opening HHC files on given system. What is important, all common issues related to files with HHC extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. The following is a list of guidelines that will help you identify and solve file-related problems.
The most common reason for such problems is the lack of proper applications that supports HHC files installed on the system. The most obvious solution is to download and install Microsoft HTML Help Workshop or one to the listed programs: Microsoft Windows, PSPad. On the top of the page a list that contains all programs grouped based on operating systems supported can be found. If you want to download Microsoft HTML Help Workshop installer in the most secured manner, we suggest you visit Microsoft Corporation website and download from their official repositories.
If you already have Microsoft HTML Help Workshop installed on your systems and HHC files are still not opened properly, check if you have the latest version of the software. Software developers may implement support for more modern file formats in updated versions of their products. This can be one of the causes why HHC files are not compatible with Microsoft HTML Help Workshop. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using Microsoft HTML Help Workshop.
If you have the latest version of Microsoft HTML Help Workshop installed and the problem persists, select it as the default program to be used to manage HHC on your device. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.
Change the default application in Windows
Change the default application in Mac OS
You closely followed the steps listed in points 1-3, but the problem is still present? You should check whether the file is a proper HHC file. It is probable that the file is corrupted and thus cannot be accessed.
If the HHC is indeed infected, it is possible that the malware is blocking it from opening. Scan the HHC file as well as your computer for malware or viruses. If the HHC file is indeed infected follow the instructions below.
If you obtained the problematic HHC file from a third party, ask them to supply you with another copy. During the copy process of the file errors may occurred rendering the file incomplete or corrupted. This could be the source of encountered problems with the file. It could happen the the download process of file with HHC extension was interrupted and the file data is defective. Download the file again from the same source.
Sometimes in order to access files user need to have administrative privileges. Log out of your current account and log in to an account with sufficient access privileges. Then open the HTML Help Table Of Contents file.
The operating systems may note enough free resources to run the application that support HHC files. Close all running programs and try opening the HHC file.
Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with HTML Help Table Of Contents files. It may be the case that the HHC files work properly with updated software that addresses some system bugs.
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