You may need to manage several projects at the same time, and the modeling tool allows you to do that easily. All open projects are held in separate workspaces. Different active projects may exchange data. Entities from one project can be copied or moved to another.
To switch between open projects, do one of the following
From File menu, select Switch Projects and then click the name of the project you want to switch to.
On the main toolbar, click and then select the name of the project you want to switch to. Using toolbar button to switch between open projects
To close all open projects
Select CloseAll Projects from the File menu. The Question message appears.
Question message
Choose the way your projects will be closed:
Yes
The project you are currently closing will be saved (its name appears in the question). The dialog is displayed again when the next project closes.
Yes ToAll
Save all projects without prompting. The Save dialog will not appear for each open project.
No
Project you are currently closing will not be saved. The dialog is displayed again when the next project closes.
No ToAll
All the projects will be closed without saving or further prompting.
Cancel
Cancel saving projects.
To exchange model elements between open projects
Use the Cut, Copy, and Paste commands from the Edit menu or the selected element's shortcut menu, or the appropriate shortcut keys: Ctrl + X, Ctrl + C, Ctrl + V.