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.H1Q File Extension

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File TypeMicrosoft Help Merged Query Index File
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Rare Uncommon Average Common Very Common
CategoryMisc Files
File Format Description

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 Logo
Icon Microsoft Help
Updated 7/31/2009