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You can then save these into a custom template for future use.
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You can create and customize your own slide layouts and slide masters in PowerPoint. It is possible to also use more than one slide master in a presentation, if desired. Each slide master has several associated slide layouts. When you add presentation slides and apply a slide layout, the slide is formatted according to the slide master’s specifications.
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You use slide masters In PowerPoint to set the default layout and appearance of presentation slides.
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