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Microsoft Help merged hierarchy file
File type: Various data file
Files with hxh extension are associated with Microsoft Help, this file format was used for online help files.
File type category:
Various data file
Date updated: December 30, 2024
The hxh file extension is related to Microsoft Help and used for one of its proprietary formats for online help files, developed by Microsoft and first released in 2001 as a help system for Visual Studio .NET (2002) and MSDN Library. Create by Help 2.0 Workshop (Visual Studio Help Integration Kit).
The hxh extension file is not meant to be opened manually by the user.
Files with hxh extension are unconvertable.
Software applications that handle other tasks involving hxh files:
Microsoft Windows
Multiplatform
Language
