To Undo or Redo an Action
You can undo and redo most operations one at a time and sequentially provided you have not closed a layout file or exited the Creo Layout application. You can undo or redo actions using one of the following methods:
• Click 
or 
on the Quick Access Toolbar to undo or redo the most recent action.
or on the Quick Access Toolbar to undo or redo the most recent action.• Press CTRL+Z to undo or CTRL+Y to redo the most recent action.