If you’re sending your PowerPoint presentation to colleagues or friends, or if you're running it in a booth or kiosk, you might want people to immediately watch your presentation as a slide show instead of seeing the slides in edit mode. Save your PowerPoint presentation as a PowerPoint Show (a .ppsx file) so it automatically starts the slide show when the file is opened.
Make a slide show that starts automatically when opened
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Select File > Save as (or Save a Copy).
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Click More options.
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Browse to the folder where you want to save your presentation.
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In the File name box, type a name for your presentation.
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Under Save as type, select PowerPoint Show.
The file is saved as a .ppsx file. When the file is double-clicked, it opens as a slide show.
Edit a .ppsx file
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In PowerPoint, click File > Open.
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Browse to the .ppsx file, and open it.
Saving a presentation as a PowerPoint Show (.ppsx file) isn't available in PowerPoint for the web.
To start a slide show in PowerPoint for the web, open the file, and on the Slide Show tab of the ribbon, select Play from Beginning.
![To start a slide show, on the View tab of the ribbon select Play From Beginning.](https://support.content.office.net/en-us/media/307efd18-44ca-4b9e-9971-aef16264ca5d.png)
(If you've turned off the Simplified Ribbon, you don't have a Slide Show tab; instead use the View tab to start Presenter Coach.)
For more details on running a slide show, see Present your slide show in PowerPoint for the web.
See Also
Set the speed and timing of transitions
Create a self-running presentation