You can easily preview your presentation before giving it live by choosing From Beginning or From Current Slide in the Start Slide Show group on the Slide Show tab. You can choose to view the entire presentation or check out the slides from the current slide onward. You can also use Slide Sorter view to get a bird’s-eye view of your slides and rearrange them as you like.
Open the presentation that you want to preview.
Click the Slide Show tab.
If you want to display the entire slide show, in the Start Slide Show group, click From Beginning.
To view the presentation from the current point onward, choose From Current Slide.
The presentation begins to play. The slides will advance depending ...