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    Help CenterCommunity
    Google Duo

    How can we help you?

    Get started with Google Duo

    Set up Google Duo
    Learn about Google Duo
    Find & invite contacts
    Help make Google Duo better
    Earn rewards for inviting others to Google Duo

    Make a call

    Make calls with Google Duo
    Preview video calls with Knock Knock
    Block numbers from calling you on Google Duo
    See your video call while using another app
    Leave & check messages with Google Duo

    Change settings

    Limit how much mobile data Google Duo uses
    Set phone to vibrate for calls
    Stop getting Google Duo calls
    Connect a Google Account
    Download your call history

    Troubleshoot issues

    Send feedback about Google Duo
    Can’t verify phone number
    Can't find or sync contacts
    Fix sound or video issues
    Fix missing or delayed call notifications
    Fix problems using Google Duo after setting up your Smart Display
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