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Opens5 file types
Get it fromdocumentation/AppleApplications/Conceptual/Dashcode_UserGuide/Contents/Resources/en.lproj/Introduction/Introdu
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Last reviewed Oct 2026

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What is HelpStudio?

HelpStudio is a help authoring tool developed by Innovasys that creates Microsoft Help 2.0 format documentation using project files with .hxc, .hxt, .hxk, and related extensions. It provides a visual environment for technical writers to build compiled help systems for Windows desktop applications.

Files HelpStudio opens

5 formats

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SOURCEdocumentation/AppleApplications/Conceptual/Dashcode_UserGuide/Contents/Resources/en.lproj/Introduction/Introduofficial site - avoid third-party download portals

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programs & formats

Files HelpStudio opens most

1.HXCMicrosoft Visual Studio Collection Definition file
2.HXTHelp table of contents file
3.HXKMicrosoft Help 2 keyword index file
4.HXAMicrosoft Help attribute definition file
5.HXEMicrosoft Help 2 Sample Definition File

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