Each time you complete an action with MixPad, MixPad stores that action in a history list. To revert back to the previous state prior to your last action, you can simply undo the last action by pressing Ctrl+Z on your keyboard or by clicking the Undo button on the Editing tab. To manage several steps back, you may want to use the History Manager, found by clicking the History Manager item in the Edit menu. The History Manager displays a list of all your actions in the project during the current session. Select an action to preview your project with the corresponding action, and close the window with an action selected to revert your project back to that action.