Master the Slide Master - PowerPoint 2016 for Windows
The Quick Summary: How To Quickly Get to Grips with the Slide Master and Create or Update Presentations Like The Sharpest PowerPoint Pro in The Room
It's in bite-sized pieces and everything is carefully explained with Shelley doing it as she's talking.
It's clear and easy to understand even a bolshi 63 year old can understand it.
I've changed the fonts and I've changed the colours in the Slide Master, which is my new BFF. It isn't quite purring but we've shaken paws and I'm taking it out for a drink later :)
Shan Marshal