.HPJ File Extension

Help Project File

Developer Microsoft
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What is an HPJ file?

Help project created with either WinHelp or RoboHelp help authoring software; used for creating program Help documentation; contains information that defines the behavior, look, and content of the Help system.

More Information

Help project files include all the information the compiler needs to combine topic files and other elements into a single Help file. They typically include the following sections: Alias, Baggage, Buildtags, Config, Files, Map, and Windows.

HPJ is the native format used by WinHelp's Help Workshop, but is also recognized by third-party help authoring tools. RoboHelp program was originally created by eHelp, but is now owned by Adobe Systems.

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Programs that open or reference HPJ files

Windows
Microsoft WinHelp
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Mac
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