You can add page numbers to your PowerPoint slideshow through the "Slide Master" page, which lets you edit your entire slideshow at once.
This post shows how to create a live countdown timer in your PowerPoint presentation. You can make one natively or use an add-in to add a countdown timer in PowerPoint. Imagine starting your ...
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.
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