The Slide Master feature in Microsoft PowerPoint helps with the consistency of your slides, especially if you want the same fonts, headings, and colors for all your slides in your presentation.

When creating a presentation, you need to have slides available to place your content on. Slides are like pages, and you can add, duplicate, and delete them.

Click "Apply to All" to add the chosen slide transition to all slides in your presentation. A change that affects all slides in a PowerPoint presentation is referred to as a global change.