Use Undo to reverse the last action. If you are not satisfied with the result, click Redo. The Undo steps are recorded separately for each open design.
There are unlimited Undo steps for each open embroidery. Undo steps are only lost when you close an embroidery.
Note: Each time you use Undo the undone action becomes a Redo.
Click Actions on the toolbar and choose Undo.
Choose Edit > Undo.
Press ⌘Z
Control–click and choose Undo.