🚀 Contribute! Buy me a coffee

H1Q File Extension

The H1Q file extension was created by Microsoft and is also known as the Microsoft Help Merged Query Index File. H1Q is classified as a Misc Files and The format of this file type has not been determined yet. You can open H1Q files in Microsoft Assistance Platform program.

Microsoft Help Merged Query Index File Type

Microsoft Help Merged Query Index File Type
Extension .h1q
Developer Microsoft
Popularity 5.0 (1 Votes)
Mime Type mime-type/not.available
Default Program Microsoft Assistance Platform
Category Misc Files
Format Not Available
Updated 7/1/2025

What is a H1Q File Type?

Free Online H1Q Tools & Apps

Access powerful and secure free online H1Q tools to convert, view, edit, merge, split, and compare H1Q files — all without installing any software. Our tools support the .H1Q (Microsoft Help Merged Query Index File) file extension and run smoothly in any modern browser.

Select a tool below to explore features and manage your H1Q files directly from your device with ease.

H1Q Files Common Issues

There are few common issues with the Microsoft Help Merged Query Index File .H1Q File Extensions while opening the .H1Q files on Windows and MacOs, we have solution to those issues such as:

Can't Open H1Q Files?

  1. You must have supported software programs installed for Microsoft Help Merged Query Index File on your system such as Microsoft Assistance Platform.
  2. Associate default Microsoft Microsoft Assistance Platform program for *.h1q (Microsoft Help Merged Query Index File) files.

    Associate H1Q Default Program on Windows
    1. Right-click a *.H1Q (e.g example.h1q) file and click Open With.
    2. In the Open with dialog box, click Microsoft Microsoft Assistance Platform program Or click Browse to locate the program (*.exe) that you want.
    3. Select check box for Always use this app to open .h1q files.

Related H1Q File Extensions

H1Q default file extension is .H1Q and other similer related extensions are:

All Platform Software Programs for H1Q File Extension

List of all softwares that can open the H1Q files on each platforms such as Windows, Mac, iOS, Linux, Web and Android, you may click the each software link for more details for other supported formats for each software and the verified direct download links for each software with complete lisensing details.

Microsoft Windows logo image Open H1Q File on Windows

Software License Developer
Microsoft Assistance Platform image. Microsoft Assistance Platform 000 for Windows Included with OS Microsoft

MacOs logo image - FileProInfo.comOpen H1Q File on Mac OS

Software License Developer

Linux logo image - FileProInfo.comOpen H1Q file on Linux

Software License Developer

Website logo image - FileProInfo.comOpen H1Q file on Web

Software License Developer

iOS logo image - FileProInfo.comOpen H1Q file on iOS

Software License Developer

Android logo image - FileProInfo.comOpen H1Q file on Android

Software License Developer

About Licensing

  1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
  2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
  3. Free+ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
  4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
  5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.

H1Q file extension icon image.About H1Q - Microsoft Help Merged Query Index File

FileProInfo is to help you understand about the Microsoft Help Merged Query Index File with *.H1Q suffix, and provide the complete detail as how to open, edit, convert, merge, split and compare it with other related software programs, software download links and free online apps and tools.

Our professional team members at FileProInfo have been individually researched and verified the details for H1Q. We want to be 100% accurate and publish the information about file formats, tools, apps and software programs that we have tested and validated.

If you would like to suggest any additions or updates to this page for H1Q, please let us know.

Updated 7/1/2025