Working with Tabs and Tab Sets
To move a drawing from one tab to another
- From the View menu, choose Content Explorer.
- From the Content Explorer Tab menu, choose Open Tab Set.
- In the Open dialog box, select a tab set and choose Open.
- Choose the tab where the drawing file you want to move is located.
- Drag and drop the drawing file to a different tab.
The drawing file is moved to a different folder.
Standard toolbar: 
Command line equivalent: CONTENT