Quick tips: Share and collaborate with PowerPoint
Share your presentation
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Select Share on the ribbon.
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Enter the names or email addresses of the people you want to share with.
Or select the drop-down to change permissions. 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.
![Share icon and dialog box in PowerPoint](https://cxcs.microsoft.net/static/public/central/neutral/f762b50b-d25c-4bf3-94ba-93a16a1150da/212da2d55e71d758452854203d9100ea6322ed9b.png)
Co-author a presentation
After you share your file, you can work together at the same time.
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In the top right corner, see who is also working in the file.
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Colored circles show which slide each person is editing.
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You can communicate with your co-authors while working on the presentation by opening a group chat with them in Microsoft Teams.
![Shows the icon indicating someone else is collaborating on a slide in PowerPoint 2016](https://cxcs.microsoft.net/static/public/central/neutral/df00e0a1-f600-4921-b6f2-2ef359b77888/4c3719ffbf90d7e3c9211e111fa9c03878b7cd90.png)
Comments in presentations
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Select Review > New Comment. Or select New if the Comments pane is open.
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In the Comments pane, type your message in the box and press Enter.
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Select Reply and type your response.
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Select the Next or Back buttons to go between comments and slides.
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Select the X in the upper corner of the comment.
![Add a comment](https://cxcs.microsoft.net/static/public/training/neutral/197b9a38-430f-485f-a2ff-8b311627e459/08bfc92a08ec7e2c3fa1621277a9cd658f1e6f7a.png)
Version history
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Select File > Info > Version history.
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In the Version history pane, select a version to open and view it in a separate window.
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If you want to restore a previous version, select it from the Version history list, then select Restore. It will let you to save the old version to a new file.
![The Version History button inside the the File Tab.](https://cxcs.microsoft.net/static/public/central/neutral/6f8ee3da-3373-402a-950b-8a6f59624ae7/3ba30530f4dfc95f27b6bff84aee879b25878891.png)
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