# Sharing your screen
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When you share a screen, you can share any open program window, or you can share your entire screen. The following steps explain how to do both.

**Note**  
If you want others to see your mouse pointer while you present, you must share your entire screen instead of an individual window.

**To share your screen during a meeting**

1. On the call control bar at the bottom of the meeting window, choose **Start screen**.

   The **Choose what to share** dialog box appears and displays thumbnail images of the applications that you're currently running.

1. Do one of the following:
   + To share an application window, choose the desired thumbnail image.
   + To share your screen, choose **Entire screen**, then choose **Entire screen** again. 

1. Choose **Share**.

Desktop users in the meeting see a **Shared screen** pop-up, and mobile users see an alert to either view or ignore the shared screen. Meeting attendees who view your shared screen can use their pointers to zoom in and out.