"Change theme in PowerPoint" has an answer, and the answer is a sequence of steps in the slide master that depends on which type of slide broke this time. The result is usually a deck with half the slides restyled.
This does it mechanically: the theme, colour scheme, font scheme, masters and layouts come from the file you point at, and every slide is matched to a layout in it. The report lists the match per slide, so you can see at a glance which pages need a look.
Put another deck’s design on this deck’s content: masters, layouts and theme swapped in.
Your deck (content)
Template (design)
How it works
This utility runs locally in your browser for privacy and speed.
1 ⚡
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