Format in PowerPoint 365 2016 2013 2007 2003

Turn off red, wavy underlines for spelling errors

If you don't want to see the red, wavy underlines on-screen, you can turn this feature off by three simple clicks:

Header and Footer on slides

Even though the placeholders for Date, Number, and Footer might appear in the slide master, they do not appear on the actual slides in the presentation unless you enable them.