You can add page numbers to your PowerPoint slideshow through the "Slide Master" page, which lets you edit your entire slideshow at once.

Microsoft PowerPoint has a feature that allows users to add numbers to their slides. This feature is useful when your presentation contains many slides. If your slides have numbers on them, you can ...

How to remove slide numbers from specific slides in Microsoft PowerPoint Your email has been sent Occasionally, you see a Microsoft PowerPoint presentation with numbered slides. It’s the same as ...

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