Transitions give you another way to control the flow of your presentation. You can set the speed and timing of the transitions to help control how fast one slide advances to the next, and when the transition begins.
Set the speed of a transition
Use Duration to set transition speed. A shorter duration means a slide advances faster, and larger numbers make the effect go more slowly.
Select the slide that has the transition that you want to change. On the Transitions tab, in the Timing group, in the Duration box, type the number of seconds that you want it to run.
Tip: If you want all the slide show’s transition effects to use the same speed, click Apply to All.
Set the timing of a transition
Advance Slide sets the transition timing, by specifying how long a slide stays in view before the transition to the next slide begins. If no timing is selected, slides advance when the mouse is clicked.
Select the slide that you want to set the timing for. On the Transitions tab, in the Timing group, under Advance Slide, do one of the following:
To advance the slide manually, keep the On Mouse Click check box selected.
To make the slide advance automatically, select the After check box, and then enter the number of minutes or seconds that you want. The timer starts when the final animation or other effect on the slide finishes.
To start the automatic advance manually, select both the On Mouse Click check box and the After check box. Then, at After, enter the number of minutes or seconds that you want. After all animation or other effects on the slide are complete, the slide advance timer starts when you click the mouse.
Note: To ensure the timings play correctly in Slide Show view, on the Slide Show tab, in the Set Up group, check the Use Timings check box.