This functionality is available in Standard, Professional, Architect, and Enterprise editions only.
The Package Overview Diagram Wizard allows you to create a diagram for every package from the selected scope (reversed packages). The created diagram displays the content of the packages – inner packages with inner elements connected with available relations.
To create a diagram using the Package Overview Diagram Wizard
Open the Package Overview Diagram Wizard by doing one of the following:
On the Diagrams menu, select Diagram Wizards > Package Overview Diagram Wizard.
From the Analyze menu, select Model Visualizer. In the open Model Visualizer dialog, select to open the Package Overview Diagram Wizard and click Start.