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.

If you're like me, you've been building presentations for years. You probably started out making standard (4:3) size decks. These days, there is increasing demand for widescreen (16:9) decks.

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 ...