Project basics : Undoing and redoing actions
 
Undoing and redoing actions
You can undo or redo the last set of actions that you performed while working on your movie.
To undo the last action
Click the Undo button on the Toolbar.
To redo the last undone action
Click the Redo button on the Toolbar.
You can adjust the number of undo levels in the Preferences dialog box.
You can also use the keyboard shortcuts [Ctrl + Z] and [Ctrl + Y] to undo and redo actions respectively.