You can overwrite an existing global layout in scenario management with the global layout of a file.
1. Make sure that the desired project is open (Editing basic settings of the project).
2. In the Edit project window, click the Global layouts tab.
3. In the list, click the global layout of your choice.
4. Click the 
Associate external global layout file with the selected global layout symbol.
The Open global layout window opens.
5. Select the desired file.
6. Click the Open button.
The settings of the global layout file are copied to the selected global layout.
