File Extension Library

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.H1H File Extension

  • Developer by: Microsoft Corporation
  • Category: Various data Files

What are .H1H files and how to open them?

Can't open .H1H file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .H1H file.

What is a .H1H file extension?

.H1H file extension is created by Microsoft Corporation. .H1H has been classified as Various data Files.

.H1H is Microsoft Windows merged hierarchy help data

The h1h file extension is associated with the Microsoft Windows, an operating system for IBM-PC compatible computers, developed by Microsoft.

The h1h file stores merged hierarchy help data for Windows Help.


How to open:

Probably not meant to be accessed by the user.

How to convert:

It is unlikely that this file type can be converted to anything else.

How to fix problems with .H1H files

  1. You need to update the application that you normally use to open .H1H files. Only the latest version of the software supports the current .H1H file format
  2. You need to check the .H1H file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)
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