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

You can change the background to anything you like if you're using Powerpoint to create presentations: a picture, a color, a gradient, or even an in-motion video. You'll know the best background for ...

You can add a border to a PowerPoint slide by adding a rectangle shape and removing the fill color, which will give the appearance of a border.

Sometimes you might want to add a circular photo of the author on the last page of a text or presentations. Word and PowerPoint don’t offer this feature directly, but there are two ways to achieve it.