When you want all your slides to contain the same fonts and images (such as logos), you can make those changes in one place—the Slide Master, and they'll be applied to all your slides. To open Slide Master view, on the View tab, select Slide Master : The master slide is the top slide in the thumbnail pane on the left side of the window. The related layout masters appear just below the slide master (as in this picture from PowerPoint for macOS): 1 Slide master 2 Layout masters When you edit the slide master, all slides that are based on that master will contain those changes. However, the majority of changes that you make will most likely be to the layout masters related to the master. When you make changes to layout masters and the slide master in Slide Master view, other people working in your presentation (in Normal view) can’t accidentally delete or edit what you’ve done. Conversely, if you're working in Normal view and find that you'...
Tips / Tricks / Guide on Microsoft Applications