Working with Tabs and Tab Sets
To create a new tab
- From the View menu, choose Content Explorer.
- From the Content Explorer View menu, choose Tree View to display the Tree View area.
- Use the Tree View to select a folder for which you want to create a tab.
- From the Content Explorer Tab menu, choose Create.
- In the Create Tab dialog box, enter a tab name and choose OK.
Standard toolbar: 
Command line equivalent: CONTENT