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Go to Design > Slide Size > Custom Slide Size.Â
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Under Slides sized for, open the list and select a predefined slide size. (Or manually specify the Width and Height you want.)
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Under Orientation, choose Landscape or Portrait and then select OK.
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If prompted, choose Maximize to allow the content to use all available space or Ensure Fit to make content fit into the resized page.
Tip:Â To set up slide numbering, see Add slide numbers.
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Go to Design >Â Slide Size > Page Setup.Â
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Open the Slide sized for list, and select a predefined size. (Or manually specify the Width and Height you want.)
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Under Orientation, select the orientation that you want for your slides and for your notes and handouts.Â
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If prompted, select Scale Up to allow the content to use all available space, or select Scale Down to make sure all content fits into the resized page.
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Go to Design > Slide Size > Custom Slide Size.Â
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Under Slide size for, open the list and select a predefined size.
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Under Slide orientation, select Landscape or Portrait.
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To ensure that the ensuing sizing change for your existing slides doesn't trim away any content on them, under Slide scale, you can select Scale to fit.