1. To select your hidden slides go to the pptXTREME menu and select moreEdit > Hide/Unhide > Select hidden slides

2. Press the Unhide Slides button in pptXTREME's moreEdit or once you have your slides selected right click to view the contextual menu and select pptX Unhide Slides

3. The pptX Hide Slide graphic on your "hidden" slides has now been removed and the slides will appear in Slide Show mode.

Note: As with the standard PowerPoint "Hidden Slides" pptX Hidden Slides do not appear in Slideshow Mode.