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Tips and important information to help you link Duo to a new phone or phone number.
Learn how to maintain access to your account when traveling abroad.
Learn how to regain access to your account if you have lost or damaged your primary authentication device.
Learn about the three methods of authentication available through Duo, and how to set a default authentication method to make signing in to your accounts easier.
Learn how to access your Duo account settings and manage your linked devices and phone numbers.
Steps to link your smartphone, tablet, or landline to Duo for multi-factor authentication.