.H1C File Extension

Collection File

Files with the extension .H1C are associated with the 'Windows Vista' help / assistance platform 'HelpPane'. The files with the .H1C extension are the main collection files used by the Vista AP platform, the .H1C files define the collection properties and references for all other collection-level files containing project data.

HelpPane is a Vista only assistance platform used to display help files to users of Vista.

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