You can change the size of a slide in your PowerPoint presentation through the "Design" menu on the Windows PC, Apple MacOS, ...

You can change the background of your PowerPoint slides using the "Format Background" feature located in the "Design" tab.

Have you ever seen a PowerPoint Design Idea that you like and would like to save it as a template because you want to use it again or share it with others? In PowerPoint, you can save the Design Idea ...