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.H1Q File Extension

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File TypeMicrosoft Help Merged Query Index File

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CategoryMisc Files


File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.


Query index used by Microsoft Help, a system help program included with the Windows operating system; stored in the "\Documents and Settings\All Users\Application Data\Microsoft Help" in Windows XP and the "\ProgramData\Microsoft\Assistance\Client\1.0\en-US" directory in Windows Vista.

Program(s) that open .H1Q files
Microsoft Windows LogoWindows
Microsoft Help
Updated 7/31/2009