How to: Run a slide show in a continuous loop.
Solution:
Select the 'Loop Continuously Until 'Esc'' check box in the 'Slide Show' dialog box.
1) Select the 'View' menu and select 'Slide Show...'. (The Slide Show dialog box appears.)
2) Select the 'Loop Continuously Until 'Esc'' check box.
Loop Continuously Until 'Esc'
3) Make any other desired changes.
4) Click 'Show'. (The slide show starts. When it reaches the end, it will loop back to the first slide.)
NOTE: To end the slide show, press ESC.