Prepare your image in your graphics software and size it to the same height as your slide and a bit longer. (Click for larger image). One of the interesting but not so obvious things that you can do ...

Though you can always choose a premade template, you may want to customize your PowerPoint slide backgrounds manually. You can add a custom background to one or more slides, and you'll also have the ...

You can change the background on your Google Slides presentation in a few simple steps. You can change your Google Slide background to an image from your computer or Google, or to a color. Visit ...

The Slide Master is a feature that is used in Microsoft PowerPoint whose purpose is to control the look of the presentation’ including fonts, colors, backgrounds, effects, or anything else that you ...