After you make a change to any image or series, you can use the Undo tool to reverse it. Changes are reversed one at a time, in the reverse order that they were applied, regardless of whether the changes were saved or not. Undo applies only to changes made in the current session.
To undo image changes
From the context or top toolbar, click Undo.
or
If using the context toolbar text menu (Ctrl + right-click), select Basic > Undo.
The change last made is reversed.
To continue undoing changes, repeat step 1.
 | Tip: If you then decide that you did not want to undo an action, use Redo. |