Powerpoint Screen Size. Select standard (4:3 aspect ratio) or widescreen (16:9) or custom slide size. Select the design tab of the toolbar ribbon.
PowerPoint Interface CustomGuide
To change the slide size: Select standard (4:3 aspect ratio) or widescreen (16:9) or custom slide size. Select slide size near the far right end of the toolbar. Web you can change the slide size or aspect ratio of a powerpoint presentation in all versions. Select the design tab of the toolbar ribbon. Think of these as the choices for ppt size of slides. Click either the standard (4:3) or widescreen (16:9). Web in the customize section of the design tab, select the slide size button. The default slide size or dimensions in 2013, 2016, 2019, 2021 or 365 is widescreen (16:9 aspect ratio).
To change the slide size: Select the design tab of the toolbar ribbon. Web you can change the slide size or aspect ratio of a powerpoint presentation in all versions. To change the slide size: Web in the customize section of the design tab, select the slide size button. Select slide size near the far right end of the toolbar. Select standard (4:3 aspect ratio) or widescreen (16:9) or custom slide size. Click either the standard (4:3) or widescreen (16:9). Think of these as the choices for ppt size of slides. The default slide size or dimensions in 2013, 2016, 2019, 2021 or 365 is widescreen (16:9 aspect ratio).
