HP9 File Extension

HP9 file icon
Harpoon Classic Game Data Format

What is HP9 file?

HP9 filename suffix is mostly used for Harpoon Classic Game Data Format files. HP9 files are supported by software applications available for devices running Windows. HP9 file belongs to the Game Files category just like 1274 other filename extensions listed in our database. is by far the most used program for working with HP9 files.

Programs which support HP9 file extension

Programs that can handle HP9 files are as follows. Files with HP9 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.

Programs that support HP9 file

Windows Windows

Updated: 02/14/2020

How to open file with HP9 extension?

Problems with accessing HP9 may be due to various reasons. On the bright side, the most encountered issues pertaining to Harpoon Classic Game Data Format files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. The list below will guide you through the process of addressing the encountered problem.

Step 1. Download and install

The most common reason for such problems is the lack of proper applications that supports HP9 files installed on the system. The solution is straightforward, just download and install . Above you will find a complete listing of programs that support HP9 files, classified according to system platforms for which they are available. The safest method of downloading installed is by going to developer’s website () and downloading the software using provided links.

Step 2. Verify the you have the latest version of

You still cannot access HP9 files although 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 The reason that cannot handle files with HP9 may be that the software is outdated. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using .

Step 3. Assign to HP9 files

If the issue has not been solved in the previous step, you should associate HP9 files with latest version of you have installed on your device. The next step should pose no problems. The procedure is straightforward and largely system-independent

Change the default application in Windows

  • Clicking the HP9 with right mouse button will bring a menu from which you should select the Open with option
  • Next, select the Choose another app option and then using More apps open the list of available applications
  • The last step is to select Look for another app on this PC option supply the directory path to the folder where is installed. Now all that is left is to confirm your choice by selecting Always use this app to open HP9 files and clicking OK.

Change the default application in Mac OS

  • By clicking right mouse button on the selected HP9 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 and click Change for all...
  • Finally, a This change will be applied to all files with HP9 extension message should pop-up. Click Continue button in order to confirm your choice.

Step 4. Verify that the HP9 is not faulty

Should the problem still occur after following steps 1-3, check if the HP9 file is valid. Being unable to access the file can be related to various issues.

1. Verify that the HP9 in question is not infected with a computer virus

If the file is infected, the malware that resides in the HP9 file hinders attempts to open it. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. HP9 file is infected with malware? Follow the steps suggested by your antivirus software.

2. Check whether the file is corrupted or damaged

If you obtained the problematic HP9 file from a third party, ask them to supply you with another copy. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. It could happen the the download process of file with HP9 extension was interrupted and the file data is defective. Download the file again from the same source.

3. Check if the user that you are logged as has administrative privileges.

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Log in using an administrative account and see If this solves the problem.

4. Verify that your device fulfills the requirements to be able to open

The operating systems may note enough free resources to run the application that support HP9 files. Close all running programs and try opening the HP9 file.

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

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with Harpoon Classic Game Data Format file. It may be the case that the HP9 files work properly with updated software that addresses some system bugs.

Do you want to help?

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