In PowerPoint 20, choose View tab> Presentation Views group> Slide Master. But make sure that text and other content is legible. When you want to create one background for the entire presentation that fills the slides, this method is easy and effective. It’s difficult to remove the image accidentally or inadvertently hide text behind the image. The image automatically stretches to fill up the whole slide. When you place an image on the background layer of the slide master, you can easily apply the image to every slide in the presentation, or you can apply that master to one or more individual slides.
Place on the background of the slide master Which way is best and when should you use each method? It all depends on the result you want. PowerPoint lets you insert an image in four ways.
