After you set up your security verification methods for your work or school account, you can update any of the related details, including: Default security verification method Security verification method details, like your phone number Authenticator app setup or deleting a device from the authenticator app If your organization provided you with specific steps about how to turn on and manage your two-factor verification, you should follow those instructions first. Otherwise, you can get to your security verification method settings from the Additional security verification page. Note: If what you're seeing on your screen doesn't match what's being covered in this article, it means that either your administrator has turned on the Security info (preview) experience or that your organization provides your own custom portal. For more information about the new security info experience, see Security
info (preview) overview. For more information about your organization's custom portal, you must contact your organization's Help desk. You can follow this link to open the Additional security verification page. You can also get
to the Additional security verification page by following these steps: Sign in to the My Apps portal. Select your account name in the top right, then select View account. Under Security info select Update info. Note: For information about using the App passwords section of the Additional security verification page, see Manage app passwords for two-factor verification. App passwords should be used only for apps that don't support two-factor verification. Change your default security verification methodAfter you sign in to your work or school account with your user name and password, you'll automatically be presented with your chosen security verification method. Depending on your organization's requirements, this can be a notification or verification code through an authenticator app, a text message, or a phone call. If you decide that you want to change the default security verification method you're using, you can do it from here.
Add or change your phone numberYou can add new phone numbers, or update existing numbers, from the Additional security verification page. Microsoft strongly recommends that you add a secondary phone number to help prevent being locked out of your account if your primary phone is lost or stolen, or if you get a new phone and no longer have your original, primary phone number. To change your phone numbers
Add a new account to the Microsoft authenticator appYou can set up your work or school account on the Microsoft Authenticator app for Android or iOS. If you already set up your work or school account in the Microsoft Authenticator app, you don't need to do it again.
Delete your account or device from the Microsoft Authenticator appYou can delete your account from the Microsoft Authenticator app, and you can delete your device from your work or school account. Typically you delete your device to permanently remove a lost, stolen, or old device from your account, and you delete your account to try to fix some connection issues or to address an account change, such as a new user name. To delete your device from your work or school account
To delete your account from the Microsoft Authenticator appFrom the Microsoft Authenticator app, select the Delete button next to the device you want to delete. Turn on two-factor verification prompts on a trusted deviceDepending on your organization settings, you may see a check box that says "Don't ask again for n days" when you perform two-factor verification on your browser. If you've selected this option to stop two-factor verification prompts, and then you lose your device or your device is potentially compromised, you should turn two-factor verification prompts back on to help protect your account. You must turn the prompts on for all of your devices at the same time. Unfortunately, you can't turn the prompts back on for only a specific device. To turn two-factor verification prompts back on for your devicesFrom the Additional security verification page, select Restore multi-factor authentication on previously trusted devices. The next time you sign in on any device, you'll be prompted to perform two-factor verification. Next steps
Need more help?How do I change my twoGo to Settings > Security > Two-factor authentication and click on Manage. Click Change next to your phone number to update it. You will receive a text message with a verification code.
How do I change my 2 FA?Turn on two-factor authentication on your iPhone, iPad, or iPod touch. Go to Settings > [your name] > Password & Security.. Tap Turn On Two-Factor Authentication.. Tap Continue.. Enter the phone number where you want to receive verification codes when you sign in. ... . Tap Next.. How do I restore my Authenticator app?On your mobile device, open the Authenticator app, and select Begin recovery. Sign in to your recovery account using the personal Microsoft account you used during the backup process. Your account credentials are recovered to the new device.
How do I change my 2 factor authentication phone number on Facebook?Tap Security, then tap Two-factor authentication. If two-factor authentication is already on, tap next to Text message. Instead of entering a code, tap Change phone number below Next. Enter the new phone number you'd like to use, then tap Next.
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