Orca.exe is a database table editor for creating and editing Windows Installer packages and merge modules. The tool provides a graphical interface for validation, highlighting the particular entries where validation errors or warnings occur.

 

This tool is only available in the Windows SDK Components for Windows Installer Developers. It is provided as an Orca.msi file. After installing the Windows SDK Components for Windows Installer Developers, double click Orca.msi to install the Orca.exe file.

 

Source: MSDN Microsoft

 

Since this is a bit complicated to become the Orca-source to install the tool, you can download Orca 5.0 on the following link:

 

 

 

 

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