How to Add Recurring Text or Elements to PowerPoint 2013 Presentations
Click the Normal View button to return to your presentation.
Now’s the time to gloat over your work. Lasso some co-workers and show ’em how proud you are that you added some text that appears on each slide in your presentation.
You can add other types of objects to the Slide Master, too. You can add clip art, pictures, or even a video or sound clip. Anything that you can add to an individual slide can be added to the Slide Master.