On the Design tab of the Ribbon, locate Slide Size in the Customize group, near the far right end of the toolbar.
Select Slide Size.
Choose Page Setup from the menu that appears.
In the Slide Size box, click the down arrow next to Slides sized for and select an option.
Does PowerPoint have poster templates?
With a few tweaks, PowerPoint is easy to use for designing academic posters. Under SLIDES SIZED FOR choose CUSTOM and then set the page size to the size of your poster. For example, if you want your poster to be 36” x 42” then set the page size in PowerPoint to 36” x 42”.
How do I make a poster presentation template?
Collect Poster Materials. Before starting on a PowerPoint poster design, sit down and figure out what is going on the poster.
Adobe Spark offers a range of poster templates and layouts that you can use to create your own custom posters. via
How do I create a poster template in PowerPoint?
To create a poster slide, create a new slide (with nothing on it), then go to File/Page Setup. Select “Slide sized for: Custom” and change the measurements to the size of your poster in inches (i.e., 3' x 4' would be 36” x 48”). via
The maximum slide size in PowerPoint is 56 inches x 56 inches. PowerPoint 2016 slides are, by default, 13.333 inches wide by 7.5 inches high. The standard size for PRINT academic posters is 48 inches wide by 36 inches tall. via