You can change the language in PowerPoint in three ways to help with editing or translating, or to set your display settings in another language.

If you type in more than one language, or you're not using the correct proofing settings, this guide can help you set the correct languages in Office apps. When you purchase through links on our site, ...

To change your PowerPoint slideshow orientation from horizontal to portrait, you must access the "Slide Size" feature under the "Design" tab.