With a pop-out version of the formatting toolbar, you can make styling changes to a presentation in both working and presentation modes.
In Slideshow Working Mode...
Open the Style palette
If a presentation’s formatting toolbar is visible, open the Style palette from the toolbar by choosing Style Palette from the More... menu ():
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Use the Style palette
Make a selection and use the Style palette controls to change its styling:
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In Slideshow Presentation Mode...
Open the Style palette
Choose Style Palette from the menu in the upper-right corner of a presentation () to open the Style palette:
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Use the Style palette
Make a selection and use the Style palette controls to change its styling:
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Notes
The Style palette is a pop-out version of the formatting toolbar in slideshow working mode.