What does choosing Slide Sorter view do?
Slide Sorter view displays thumbnail sized representations of
all slides in your presentation. It's good if you want to select
multiple slides before you apply a transition or automatic timing
to the slide. This view also allows you to quickly reorder, delete,
or duplicate your slides. In addition, this view displays hidden
slides.
Learn more about Slide Sorter View and other views in PowerPoint
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