Ppt Page Size - Web change the slide size. Web access the design tab and click on the slide size option on the right. Web by default, powerpoint will default to the 16:9 side slide. You also get a dropdown menu with three available options on the macos version of powerpoint: On the design tab, in the customize group at the far right end, click slide size. Web the slide size in ppt you choose should be based upon the screen it'll appear on. Select the design tab of the toolbar ribbon. In the slides sized for list, click the size you want to use, or use the width and height boxes. Select slide size near the far right end of the toolbar. To change the slide size:
Select the design tab of the toolbar ribbon. Web change the slide size. Web the slide size in ppt you choose should be based upon the screen it'll appear on. To change the slide size: On the design tab, in the customize group at the far right end, click slide size. In the slides sized for list, click the size you want to use, or use the width and height boxes. Select slide size near the far right end of the toolbar. You also get a dropdown menu with three available options on the macos version of powerpoint: Select standard (4:3 aspect ratio) or widescreen (16:9) or custom slide size. Web by default, powerpoint will default to the 16:9 side slide. Web access the design tab and click on the slide size option on the right. To print your slides (full size, one per page), you'll likely need to use a custom slide size, rather than one of these options.