Slide Masters for Global Changes
Related - Custom Design Templates and Master Slides (earlier versions of PowerPoint)
The slide master is one of several master slides that are used in PowerPoint to make global changes to all your slides at one time.
Using the slide master allows you to ~- change font colors and styles for every slide
- add a clipart or picture to every slide
- add a footer or date to every slide
- Click on the View tab of the ribbon.
- Click on the Slide Master button.
See Also ~ About PowerPoint Slide Masters

