The Undo button allows you to revert your last action. You can find it in the toolbar or in the Edit menu. You can also right-click on an object and select this function.

The Redo button allows you to redo an action after using the Undo function. You can find it in the toolbar or in the Edit menu. You can also right-click on an object and select this function.

• Note: If these buttons are grayed out, then it is not possible to use them at that moment.