In PowerPoint, slides are sized for an onscreen slide show. They are displayed horizontally, with slide numbers starting from one, but there are features in PowerPoint that allow the user to change ...

You can change the size of a slide in your PowerPoint presentation through the "Design" menu. Microsoft PowerPoint allows you to change slide sizes on the Windows PC, Apple MacOS, and web-based apps.

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 ...

Forbes contributors publish independent expert analyses and insights. William Arruda covers personal branding, leadership, and careers. Presentation slides have been a standard part of business ...