Change the number of undos : Undo Redo « Editing Format « Microsoft Office PowerPoint 2007 Tutorial

1. Microsoft Office PowerPoint 2007 Tutorial
2. Editing Format
3. Undo Redo

Click the Office button, click PowerPoint Options

Click Advanced, specify the maximum number of undos.

2.20.Undo Redo
	2.20.1.	Undo an Action
	2.20.2.	Change the number of undos
	2.20.3.	Redo one or more actions you just undid