Some design elements (borders, backgrounds, icons…) are placed inside the master slides. If you want to change something on all slides of your presentation, you can edit the master slide.
- On the View tab, click Slide Master.
- The presentation will switch to the master template view and you’ll see all the layouts available in the left pane.
- Make the desired changes to the master slide. For example, you can change the text font, color or move elements.
- After you make your changes, click Close Master View on the Slide Master tab.
The changes will apply to all slides in the presentation.