Do one of the following:
On the Quick Access Toolbar, click Undo.
or
Press <Ctrl+Z>.
Tip: If you hover the mouse over the
Undo icon in the Quick Access Toolbar, it shows you the last command it will undo.
Tip: After you undo an operation, the operation just before it becomes reversible. You can, therefore, undo a series of operations by repeatedly clicking the
Undo icon.
Note: There is no limit to the number of undo's you can perform within a design session. The undo buffer is only limited by your disk storage space.