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H1Q File - What is an .h1q file and how do I open it?

Learn about .H1Q files and view a list of programs that open them.

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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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Popularity2.3 | 3 Votes

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.H1Q File Extension

Microsoft Help Merged Query Index File

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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

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Microsoft Help

Category: Misc Files

Updated: July 31, 2009

FAQ

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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