Hi LeClair, Michael L. (Rumford),
Good day! Welcome to Q&A forum.
To displaying SharePoint PowerPoint in presentation mode and allowing auto slides, refer to the following steps:
- Set up PPT to play slideshow automatically, set the autoplay time for each slide, open the PPT locally, click on the first slide and click "Transitions" on the menu bar
- Then click on each slide, and set the corresponding time (the playback time of each slide can be set differently)
- Save the file and upload it to SharePoint
- Open the PowerPoint file in SharePoint Online, click "Open in browser" (this uses Office Online)
- Click “Present” and then Choose "Strat from beginning"
Hope these information helps.
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