How to convert a v6->v7 application after using restore

My SC v6 is on a window-based computer while my SC v7 is on a Mac computer. Was not able to use the convert v6->v7 tools to convert my v6 application to v7 environment.
I only managed to backup my v6 project and restore it in my v7 environment.
However, when i open my restored v6 application in my v7 environment, the Application Code is showing v6 [form_races_link_subraces (6.00.0023) Application code for ScriptCase internal use.]
How can i convert the application code to v7?

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Bernhard Bernsmann