Adobe RoboHelp AIR help project file
File type: Various data file
An .rha file is an Adobe RoboHelp AIR help project file. It stores project information for help content intended for the Adobe AIR runtime.
The file belongs to Adobe RoboHelp, a help-authoring application for Microsoft Windows.
File type category:
Various data file
Date updated: November 5, 2026
Adobe RoboHelp uses the rha file extension for projects that create help applications for the Adobe AIR cross-platform runtime environment.
An .rha file contains the project information RoboHelp needs to manage and publish the associated AIR help project. It is a source project file, not the finished help application.
The format is associated with the Windows version of Adobe RoboHelp. RoboHelp projects can contain help topics and project settings used to generate the final help output.
Open an .rha file with Adobe RoboHelp on Microsoft Windows. Use RoboHelp to access the project and its associated help content.
The .rha file cannot be converted. Open it with Adobe RoboHelp to work with the help project.
Software applications that can open rha files:
Microsoft Windows
Software applications that can edit rha files:
Microsoft Windows
Software capable of saving rha files:
Microsoft Windows
Software apps that create rha files:
Microsoft Windows
Software apps that export rha files:
Microsoft Windows
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