Learn how to share content within a Teams meeting.
In this article
Desktop
To share your screen in a meeting, select Share content 
in your meeting controls. Then, choose to present your entire screen, a window, a PowerPoint file, or a whiteboard.
Notes:
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If you're using Teams on the web, you'll be able to share your screen only if you're using Google Chrome or the latest version of Microsoft Edge.
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In Teams on the web, you'll see the following when you select Share content :
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Window sharing isn't available for Linux users.
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Share your...
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If you want to...
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Great when...
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Desktop
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Show your entire screen, including notifications and other desktop activity.
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You need to seamlessly share multiple windows.
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Window
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Show just one window, and no notifications or other desktop activity.
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You only need to show one thing and want to keep the rest of your screen to yourself.
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PowerPoint
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Present a PowerPoint file others can interact with.
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You need to share a presentation and want others to be able to move through it at their own pace.
For info on PowerPoint sharing, see Share PowerPoint slides in a Teams meeting.
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Whiteboard
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Collaborate with others in real time.
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You want to sketch with others and have your notes attached to the meeting.
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When you're done sharing, go to your meeting controls and select Stop sharing.
Share content on a Mac
If you're using a Mac, you'll need to grant permission to Teams to record your computer's screen before you can share.
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You'll be prompted to grant permission the first time you try to share your screen. Select Open System Preferences from the prompt.
If you miss the prompt, you can do this anytime by going to Apple Menu > System Preferences > Security & Privacy.
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Under Screen Recording, make sure Microsoft Teams is selected.
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Go back to your meeting and try sharing your screen again.
Note: If you're using Teams on the web, make sure you've also granted screen recording permission to your browser.
Include computer sound
Sharing computer sound lets you stream audio from your computer to meeting participants through Teams. You can use it to play a video or audio clip as part of a presentation.
To share sound, select Share content in your meeting controls and then Include computer sound (it's the switch on the top right of your sharing options). All sound from your computer, including notifications, will be audible in the meeting.
For more info, check out Share sound from your computer in a Teams meeting or live event.
Give and take control of shared content
Give control
If you want another meeting participant to change a file, help you present, or demonstrate something, you can give control to that person. You will both be in control of the sharing, and you can take back control anytime.
Note: When you’re sharing an app, only give control to people you trust. People you give control to may send commands that could affect your system or other apps. We've taken steps to prevent this but haven't tested every possible system customization.
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On the sharing toolbar, select Give control.
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Select the name of the person you want to give control to.
Teams sends a notification to that person to let them know you’re sharing control. While you’re sharing control, they can make selections, edits, and other modifications to the shared screen.
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To take control back, select Take back control.
Take control
To take control while another person is sharing, select Request control. The person sharing can then approve or deny your request.
While you have control, you can make selections, edits, and other modifications to the shared screen.
When you’re done, select Release control to stop sharing control.
Zoom in to shared content
Want to get a better look at shared content?
Click and drag to see different areas.
And to zoom in or out, try the following:
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Pinch in or out on your trackpad.
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Use the keyboard shortcuts Ctrl+Plus sign and Ctrl+Minus sign.
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Hold the Ctrl key and scroll with your mouse.
Note: Mac trackpads don't support zoom in meetings. If you're on a Mac, use one of the other options. If you're using Linux, giving and taking control of shared content isn't available at this time.
Mobile
Share content
To share content from your mobile device, select More options 
> Share in your meeting controls. You can choose to present a photo, video, PowerPoint, or your entire screen.
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Share...
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If you want to...
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A photo
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Take a photo to share or choose one from your gallery.
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Live video
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Share live video from your camera.
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A PowerPoint
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Present a PowerPoint file others can interact with.
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Your screen
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Show your entire screen, including notifications and other activity.
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When you're ready to share, tap Start presenting at the bottom of your screen. Hit Stop presenting when you're done.
Tip: To go forward and back in a PowerPoint presentation, swipe in the direction you'd like to go, or tap the forward and back buttons on the bottom of your screen.
Note: If your role changes from presenter to attendee during a meeting and you're presenting, screensharing will stop.
Zoom in to shared content
Want to get a better look at shared content?
Pinch in or out to zoom, and tap and drag to see different areas.
Minimize shared content
You may want to minimize the content someone is sharing in order to better see the people in the meeting on your mobile device. Here's how:
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Tap More actions next to the name of the person doing the sharing
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Choose Minimize content from the menu
This will give you a better look at more of the people in the meeting. You'll still see the shared content on the lower portion of your screen.
Use your phone as a companion device in a meeting
Join a meeting on more than one device for more collaboration and content-sharing options.
If you're already in a meeting on your laptop, for example, you can add your phone as a companion device to present files, share live video, and much more. Any device with the Teams mobile app can be added as a companion device—just make sure the devices you're using are signed in to the same Teams account.
There's a lot you can do when you add a companion device to your meeting experience:
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Use mobile video to show things that are out of view for remote participants.
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Take a photo to share with everyone, or pick one from your camera roll.
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Use your phone to control a presentation.
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Share your mobile screen.
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If you can see it on your phone, you can share it in the meeting!
Tip: For more details, see Join a Teams meeting on a second device.
Add a companion device to a meeting
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Open Teams on your mobile phone when you're already in a meeting on another device.
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You'll see a message near the top of your screen informing you that you're currently in a meeting on another device, and asking if you want to join it on this one, too. Tap Join.
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You'll then see two options: Add this device, and Transfer to this device. Tap Add this device.
If you join this way, we'll mute your companion device's mic and speaker to avoid causing an echo effect.
When you're ready to share something from the companion device, tap Start presenting at the bottom of the screen. On your other device, you'll be able to see what you're sharing, just like everyone else in the meeting.
When you're finished, tap Stop presenting, or simply hang up. Your other device will still be connected to the meeting.