Quick summary
Google Slides defaults to a horizontal widescreen (16:9) layout, but you can change the slide orientation to other aspect ratios like 4:3 using the Page Setup menu under File. This guide walks you through every step of adjusting your slide dimensions in Google Slides.
Steps
- Click File and select Page Setup to open slide dimension settings.
- Note that Google Slides is already horizontal by default in Widescreen 16:9 format.
- Choose other horizontal options from the drop-down menu in Page Setup.
- Click Apply to confirm your chosen slide dimensions.
- Your slides are now set to the 4:3 aspect ratio horizontal layout.
