|File Type||Microsoft Help Merged Query Index File|
|File Format||Proprietary (Microsoft)|
|Usage||Referenced by an application; not meant to be opened manually|
|Rank||★ ☆ ☆ Uncommon|
An H1Q file is an index used by Microsoft Help. It is accessed when users run searches within the Windows Help system.
Microsoft Help is a system assistance program included with Windows. It allows users to browse and search help topics related to Windows and other programs.
|Updated||July 29, 2009|