Transitions are visual effects, such as fades and dissolves, that can appear between slides during your presentation. Use transitions to indicate relationships between slides and to add visual coherence to your presentation.

To add a transition to selected slides: click the tab, select any number of slides, and choose Slide Show > Slide Transition. On the Slide Transition task pane, choose a transition effect from the Apply to selected slides list.

To add the same transition to all slides: choose Slide Show > Slide Transition. On the Slide Transition task pane, choose a transition effect. Click .