Steps

  1. Open the presentation in the editor.
  2. In the left rail, on the slide, choose the transition icon.
  3. You can also choose Slide transition on the toolbar.
  4. The title is Slide transition. The line says Plays when you advance from this slide to the next. Shown as an icon on that slide in the left rail.
  5. Set Duration. The unit is sec.
  6. Pick a transition. The groups are Fade, Slide, Shape, Pattern, Page, Effect, 3D, and Motion. You can also start from Popular or All.

Only if the transition has a direction

You see Direction. Choose one.

Only if every slide should use it

Choose Apply to all slides.

Choose None to remove the transition from this slide.