Microsoft is getting ready to release a new OneDrive app on Windows next year that will include a photo gallery, people view, AI-powered slideshows, and editing features. It’s part of a number of new ...
You can copy a slide in the PowerPoint app or online version, and then paste it somewhere else in the slideshow.
To change your PowerPoint slideshow orientation from horizontal to portrait, you must access the "Slide Size" feature under the "Design" tab.
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