Change Slide Orientation in PowerPoint for Windows
The steps used to change the page orientation between landscape and portrait are the same in all versions of PowerPoint 2013 for Windows and newer.
Change Slide Orientation in PowerPoint 2010 and 2007 for Windows
Follow these steps to change from landscape to portrait slide orientation in older versions of PowerPoint for Windows.
Change Slide Orientation in PowerPoint for Mac
To change the page orientation from landscape to portrait in PowerPoint for Mac 2011.
Change Slide Orientation in PowerPoint Online
For a long time, PowerPoint Online didn’t offer a portrait orientation slide, but that has changed.
Landscape and Portrait Slides in the Same Presentation
There is no simple way to combine landscape slides and portrait slides in the same presentation. If you’ve worked with slide presentations, you know that this is a basic feature. Without it, some slides won’t present the material effectively, such as with a lengthy vertical list, for example. There is a workaround if you must have this capability.