Restore default slide master layouts in PowerPoint with VBA
APRIL 25, 2019
Backing up a bit, any and every presentation you create is based on a template, often deployed as a potx file, and each template contains all the slide masters and layouts used to keep your visual content on-brand. When it fails, PowerPoint has no choice but to create a new layout or even worse in some cases, a new master with many layouts in your presentation file. Slide Layout Type* (hidden data in the PowerPoint file).