To edit a footer in your PowerPoint slides and include citations or notes, you'll need to access the Header & Footer menu from the Insert tab.

Learn how to link text, webpages, charts, images, graphics to a selected slide, an Existing File, a Webpage, an Email or ScreenTip for linked graphics.

Collaborating on files can be difficult if you use Keynote and someone else uses Microsoft PowerPoint. We show how to fix this by editing .pptx files on your Mac, iPhone or iPad ...