Add Slide Numbers Page Numbers Or Date. Click Apply to All. You can change the starting slide number number only one slide or omit the slide.
Open your presentation in PowerPoint. Now you should not see any page numbers. You can alternatively use the Alt Shift D keyboard shortcut to open the Header and Footer dialog box.
On the Insert tab click Header Footer.
Ill also make sure that the slide number and footer dont appear on. Enter either Header Footers or Slide Number. Youll see a little box highlighted in black on the preview. Once applied your slide numbers will appear on each of your slides in the bottom-right corner.