H1S file icon

H1S File Extension

Windows Assistance Platform Help Format
  • Developer
    Microsoft
  • Category
  • Popularity
    4.3 (18 votes)

What is H1S file?

H1S is a file extension commonly associated with Windows Assistance Platform Help Format files. Windows Assistance Platform Help Format format was developed by Microsoft. Files with H1S extension may be used by programs distributed for Windows platform. Files with H1S extension are categorized as System Files files. The System Files subset comprises 323 various file formats. Users are advised to use Microsoft Assistance Platform software for managing H1S files, although 1 other programs can also handle this type of file.

Programs which support H1S file extension

Below is a table that list programs that support H1S files. H1S files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

Programs that support H1S file

How to open file with H1S extension?

There can be multiple causes why you have problems with opening H1S files on given system. On the bright side, the most encountered issues pertaining to Windows Assistance Platform Help 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 Microsoft Assistance Platform

Install software to open H1S file The main and most frequent cause precluding users form opening H1S files is that no program that can handle H1S files is installed on user’s system. This one is an easy one. Select Microsoft Assistance Platform or one of the recommended programs (for example, Microsoft Windows Vista) and download it from appropriate source and install on your system. 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 Assistance Platform installer in the most secured manner, we suggest you visit website and download from their official repositories.

Step 2. Check the version of Microsoft Assistance Platform and update if needed

Update software that support file extension H1SIf the problems with opening H1S files still occur even after installing Microsoft Assistance Platform, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of Microsoft Assistance Platform is available. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. If you have an older version of Microsoft Assistance Platform installed, it may not support H1S format. 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 Assistance Platform.

Step 3. Set the default application to open H1S files to Microsoft Assistance Platform

If the issue has not been solved in the previous step, you should associate H1S files with latest version of Microsoft Assistance Platform you have installed 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.

Associate software with H1S file on Windows

The procedure to change the default program in Windows

  • Clicking the H1S 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
  • To finalize the process, select Look for another app on this PC entry and using the file explorer select the Microsoft Assistance Platform installation folder. Confirm by checking Always use this app to open H1S files box and clicking OK button.
Associate software with H1S file on Mac

The procedure to change the default program in Mac OS

  • From the drop-down menu, accessed by clicking the file with H1S extension, select 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 H1S extension. By clicking Continue you confirm your selection.

Step 4. Verify that the H1S is not faulty

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the H1S file in question. It is probable that the file is corrupted and thus cannot be accessed.

Check H1S file for viruses
1. The H1S may be infected with malware – make sure to scan it with an antivirus tool.

If the file is infected, the malware that resides in the H1S file hinders attempts to open it. Scan the H1S file as well as your computer for malware or viruses. H1S file is infected with malware? Follow the steps suggested by your antivirus software.

2. Verify that the H1S file’s structure is intact

If the H1S file was sent to you by someone else, ask this person to resend the file to you. 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 H1S file has been downloaded from the internet only partially, try to redownload it.

3. Ensure that you have appropriate access rights

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 Windows Assistance Platform Help Format file.

4. Make sure that the system has sufficient resources to run Microsoft Assistance Platform

If the systems has insufficient resources to open H1S files, try closing all currently running applications and try again.

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 Windows Assistance Platform Help Format file. It may be the case that the H1S files work properly with updated software that addresses some system bugs.

Do you want to help?

If you have additional information about the H1S 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 H1S file.

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