How to edit footer?

  1. Go to the ribbon to the Insert tab.
  2. Click Header and Footer button.
  3. Everything on the Slide tab is about your footer.
  4. There is Footer text field. You can edit it to change the content of your footer.
  5. You can enable Date and Time or Slide number if you need them.
  6. On the right side if this dialog box you can see a preview of position in the footer which you currently editing.
  7. After editing is done click Apply for a single slide or Apply to All.