When you open enterprise projects, resource views show the enterprise resources from all projects that are currently open. ...

When you open enterprise projects, resource views show the enterprise resources from all projects that are currently open. For example, Enterprise Resource 1 is assigned to Project 1 and Enterprise Resource 2 is assigned to Project 2. If you open both Project 1 and Project 2, you will see both Enterprise Resource 1 and Enterprise Resource 2 in any resource view, such as the Resource Usage view.