how to make slide vertical At the point when you open another show in Google Slides, the slides are level naturally. Fortunately, if you need to transform them from flat to vertical, it's a straightforward cycle you can do in several means.
Fire up your program, go to Google Slides, and open another show.
After the show opens up, click File > Page Setup.
Then, click on the drop-down list and pick "Custom" from the...