H1Q File Type

Author:   |   Revised: December 05, 2018

Microsoft Silver

H1Q File Summary

Most H1Q files can be viewed with Windows XP from Microsoft Corporation (the only known affiliated software application) and associated with the Microsoft Help Merged Query Index format as it's primary file type. The majority of H1Q files are considered Uncommon Files.

File Extension H1Q is supported by the Windows operating system. These types of files can be found on both desktop and mobile devices. With a Popularity Rating of "Low", these files are not very common to your average computer user.

Interested to learn more about the H1Q File Extension? We encourage you to view the detailed file information below to learn about the software that opens H1Q files, and other troubleshooting tips.

Low
Prevalence
10038
Rank

/ 11690

Active

Relevance

5

December

2018

Page Last Updated

Open H1Q with FileViewPro

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Sorts of H1Q Files


Primary H1Q File Association

.H1Q
Formatting:.h1q
Category:Microsoft Help Merged Query Index

An H1Q file is a miscellaneous file associated with Microsoft Help. It is Query index used by Microsoft Help, a system help program included in Vista and XP.

Programmer: Microsoft Corporation
Group:Uncommon Files
Registry Key: HKEY_CLASSES_ROOT\.h1q

Software Programs That Open The Microsoft Help Merged Query Index:


Windows XP by Microsoft Corporation

Windows

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H1Q Popularity


OS Popularity

Windows (82.33%)
Android (11.56%)
iOS (3.43%)
Macintosh (1.71%)
Linux (0.60%)


H1Q Troubleshooting


Common H1Q Opening Problems

Windows XP Not Present

Double-clicking your H1Q file prompts the message "%%os%% Can't Open H1Q File". If this is the case, it's usually due to the fact that you do not have Windows XP for %%os%% installed on your computer. Because your operating system doesn't know what to do with this file, you won't be able to open it by double-clicking.


Tip: Another H1Q-related program can be selected to open the file by clicking "Show Apps" and finding the application.


Windows XP is Out-of-Date

In other instances, your Microsoft Help Merged Query Index file version may not be supported by your version of Windows XP. Visit the Microsoft Corporation website to download (or purchase) the latest version of Windows XP. This problem is most common when you have an older version of the software application, and your file was created by a newer version that it cannot recognize.


Tip: You can sometimes get hints about the right program version by right-clicking on the H1Q file, selecting "Properties", and looking at the version information.


Conclusion: The majority of H1Q file opening issues are due to not having the correct Windows XP version installed.


Additional H1Q Opening Issues

Errors opening Microsoft Help Merged Query Index files can still occur even with the latest Windows XP software installed on your computer. There can be other issues - unrelated to software - preventing you from opening H1Q files. Issues that aren't software-related:

  • H1Q file references in the Windows Registry are broken
  • Corruption of the H1Q file description inside the Registry
  • Partial installation of Windows XP that did not fully complete
  • Your H1Q can't be loaded properly (file corruption)
  • Your H1Q is infected with malware
  • Device drivers of the hardware associated with your H1Q file are corrupt or out-of-date
  • Your PC doesn’t have enough available resources to open the Microsoft Help Merged Query Index file

Quiz: What file extension was created by Adobe Corporation in 1992?









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