.H1Q File Extension

Microsoft Help Merged Query Index File

Developer Microsoft
3.0  |  2 Votes

What is an H1Q file?

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.

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Programs that open or reference H1Q files

Microsoft Help

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