HHP File Extension

What is HHP file?

Full format name of files that use HHP extension is Microsoft HTML Help Project. Microsoft HTML Help Project format was developed by Microsoft Corporation. Files with HHP extension may be used by programs distributed for Windows platform. Files with HHP extension are categorized as Document Files files. The Document Files subset comprises 574 various file formats. Microsoft HTML Help Workshop supports HHP files and is the most frequently used program to handle such files, yet 1 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 HHP files, check the developer’s official website.

Programs which support HHP file extension

Below is a table that list programs that support HHP files. Files with HHP suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.

How to open file with HHP extension?

Problems with accessing HHP may be due to various reasons. Fortunately, most common problems with HHP files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. We have prepared a listing of which will help you resolve your problems with HHP files.

Step 1. Download and install Microsoft HTML Help Workshop

The most common reason for such problems is the lack of proper applications that supports HHP files installed on the system. 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. Above you will find a complete listing of programs that support HHP files, classified according to system platforms for which they are available. 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.

Step 2. Verify the you have the latest version of Microsoft HTML Help Workshop

You still cannot access HHP 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 The reason that Microsoft HTML Help Workshop cannot handle files with HHP may be that the software is outdated.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. Associate Microsoft HTML Help Project files with Microsoft HTML Help Workshop

After installing Microsoft HTML Help Workshop (the most recent version) make sure that it is set as the default application to open HHP files. The next step should pose no problems. The procedure is straightforward and largely system-independent

Change the default application in Windows

• Choose the Open with entry from the file menu accessed by right-mouse clicking on the HHP file
• Select Choose another app → More apps
• Finally select Look for another app on this PC, point to the folder where Microsoft HTML Help Workshop is installed, check the Always use this app to open HHP files box and conform your selection by clicking OK button

Change the default application in Mac OS

• By clicking right mouse button on the selected HHP file open the file menu and choose Information
• Open the Open with section by clicking its name
• Select the appropriate software and save your settings by clicking Change all
• A message window should appear informing that This change will be applied to all files with HHP extension. By clicking Continue you confirm your selection.

Step 4. Ensure that the HHP file is complete and free of errors

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 HHP file. Problems with opening the file may arise due to various reasons.

1. Check the HHP file for viruses or malware

If the HHP 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 scanner detected that the HHP file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Check whether the file is corrupted or damaged

Did you receive the HHP 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. If the HHP file has been downloaded from the internet only partially, try to redownload it.

3. Verify whether your account has administrative rights

Sometimes in order to access files user need to have administrative privileges. Log in using an administrative account and see If this solves the problem.

4. Make sure that the system has sufficient resources to run Microsoft HTML Help Workshop

If the systems has insufficient resources to open HHP files, try closing all currently running applications and try again.

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 Microsoft HTML Help Project files and ensure security of your device and operating system. It may be the case that the HHP files work properly with updated software that addresses some system bugs.

Do you want to help?

If you have additional information about the HHP 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 HHP file.