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

You can change the size of a slide in your PowerPoint presentation through the "Design" menu on the Windows PC, Apple MacOS, ...

On the Insert tab, click Photo Album in the Images group. A Photo Album dialog box will open. Under the Insert Picture From section, click the File/Disk button. An Insert New Picture dialog box will ...

On-the-go users can now create and edit slides in vertical orientation. Microsoft this week added the ability to create slides in portrait mode using PowerPoint for iOS. The feature is currently ...