Share and collaborate in PowerPoint
Share your presentation
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On the ribbon, select Share.
If your presentation isn't already saved to OneDrive, you'll be prompted to save it there. -
In the Send Link dialog box, do the following:
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Enter the names or email addresses of the people you want to share with.
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Select the drop-down to change permissions, if you want. Allow editing is checked by default. To change permission to view only, uncheck this box and select Apply.
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Include a message if you'd like and select Send.
You can also select Get a link to create a link that you can copy into an email.
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Co-author a presentation
After you share your file, you can work together at the same time.
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Under Share, see who is also working in the file.
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Colored flags show where each person is editing.
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Comments in presentations
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Select Review > Comment or @ Mention. Or select New if the Comments pane is open.
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In the Comments pane, type your comment in the box, @mention a collaborator if you like, and press Enter.
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Select Reply and type your response.
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Select See more comments to go between comments and slides.