How to change portrait orientation in the PowerPoint app. 1. Open PowerPoint on your Mac or PC. You can open a presentation you already started or create a new one. 2. Navigate to the "Design" tab. 3.

Microsoft. 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 ...

To change the background of your PowerPoint slides to one of the four available options, start by right-clicking a slide or going to the "Design" tab in the top menu bar.

Now, Office Insiders using PowerPoint Mobile on iOS can switch in and out of portrait mode when creating and editing slides. Here’s how it works: Open an existing presentation or create a new one.