Timing & Continuous Play   Timing PowerPoint allows you to time your presentation. To time your presentation: Choose Slide Show then Rehearse Timings The slide show will begin with a Rehearsal box to time your presentation. The dialog box has to clocks: the one on the left displays the total presentation time elapsed, the one on the right show the time for the current slide. If you mess up click the Repeat button to start timeing the slide again. PowerPoint will display your time at the end of the presentation.   Continous Play To set up a presentation so that it runs continuously on the computer, self playing: Choose Slide Show, then Set Up Show. Check the Loop countinuously until 'Esc' option and the Using timings, if present option Click OK.