HHK File Extension

What is HHK file?

HHK is a file extension commonly associated with HTML Help Index files. Microsoft defined the HTML Help Index format standard. HHK files are supported by software applications available for devices running Windows. Files with HHK extension are categorized as System Files files. The System Files subset comprises 323 various file formats. Users are advised to use Microsoft HTML Help Workshop software for managing HHK files, although 1 other programs can also handle this type of file. Microsoft HTML Help Workshop software was developed by Microsoft Corporation, and on its official website you may find more information about HHK files or the Microsoft HTML Help Workshop software program.

Programs which support HHK file extension

Programs that can handle HHK files are as follows. Files with HHK extension, just like any other file formats, can be found on any operating system. The files in question may be transferred to other devices, be it mobile or stationary, yet not all systems may be capable of properly handling such files.

How to open file with HHK extension?

There can be multiple causes why you have problems with opening HHK files on given system. Fortunately, most common problems with HHK files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The list below will guide you through the process of addressing the encountered problem.

Step 1. Get the Microsoft HTML Help Workshop

Problems with opening and working with HHK files are most probably having to do with no proper software compatible with HHK files being present on your machine. This one is an easy one. Select Microsoft HTML Help Workshop or one of the recommended programs (for example, Microsoft Windows) and download it from appropriate source and install on your system. The full list of programs grouped by operating systems can be found above. The safest method of downloading Microsoft HTML Help Workshop installed is by going to developer’s website (Microsoft Corporation) and downloading the software using provided links.

Step 2. Update Microsoft HTML Help Workshop to the latest version

You still cannot access HHK files although Microsoft HTML Help Workshop is installed on your system? Make sure that the software is up to date. Software developers may implement support for more modern file formats in updated versions of their products. The reason that Microsoft HTML Help Workshop cannot handle files with HHK may be that the software is outdated. The latest version of Microsoft HTML Help Workshop should support all file formats that where compatible with older versions of the software.

Step 3. Assign Microsoft HTML Help Workshop to HHK files

If the issue has not been solved in the previous step, you should associate HHK files with latest version of Microsoft HTML Help Workshop you have installed on your device. The method is quite simple and varies little across operating systems.

Change the default application in Windows

• Choose the Open with entry from the file menu accessed by right-mouse clicking on the HHK file
• Select Choose another app → More apps
• The last step is to select Look for another app on this PC option supply the directory path to the folder where Microsoft HTML Help Workshop is installed. Now all that is left is to confirm your choice by selecting Always use this app to open HHK files and clicking OK.

Change the default application in Mac OS

• By clicking right mouse button on the selected HHK file open the file menu and choose Information
• Proceed to the Open with section. If its closed, click the title to access available options
• Select Microsoft HTML Help Workshop and click Change for all...
• If you followed the previous steps a message should appear: This change will be applied to all files with HHK extension. Next, click the Continue button to finalize the process.

Step 4. Verify that the HHK is not faulty

Should the problem still occur after following steps 1-3, check if the HHK file is valid. Problems with opening the file may arise due to various reasons.

1. Check the HHK file for viruses or malware

If the HHK is indeed infected, it is possible that the malware is blocking it from opening. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. If the HHK file is indeed infected follow the instructions below.

2. Ensure the file with HHK extension is complete and error-free

Did you receive the HHK file in question from a different person? Ask him/her to send it one more time. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. When downloading the file with HHK extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Ensure that you have appropriate access rights

Some files require elevated access rights to open them. Switch to an account that has required privileges and try opening the HTML Help Index file again.

4. Check whether your system can handle Microsoft HTML Help Workshop

If the system is under havy load, it may not be able to handle the program that you use to open files with HHK extension. In this case close the other applications.

5. Check if you have the latest updates to the operating system and drivers

Latest versions of programs and drivers may help you solve problems with HTML Help Index files and ensure security of your device and operating system. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle HHK files.

Do you want to help?

If you have additional information about the HHK file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on HHK file.