Register a passkey using a mobile device (preview)

This article shows how to register a security key with your iOS or Android device.

You can also register passkeys in Microsoft Authenticator on your mobile device. With an Authenticator passkey, you can have seamless single sign-on (SSO) to other Microsoft native apps like Teams or Outlook. For more information, see How to enable passkeys in Microsoft Authenticator.

Register a security key with iOS

  1. Using your iOS device, open a web browser and sign-in to My Security info.

  2. Tap + Add sign-in method.

    Screenshot of the Security Info screen showing add methods.

  3. Select Passkey (preview).

    Screenshot of the drop-down list of options in security info.

  4. Tap Add.

    Screenshot of the Security Info screen Add Sign-in Method option.

  5. Sign in with multifactor authentication (MFA) before adding a passkey.

    Screenshot of the two-factor authentication requirement to set up a passkey.

  6. Select Next.

    Screenshot of starting passkey registration.

  7. Your device opens a security window. Choose Other Options.

    Screenshot of where to save a passkey on iOS.

  8. Select Security key.

    Note

    Depending on the screen size and orientation of your iOS device, you may need to scroll down to see this option.

    Screenshot of selecting to use a security key with iOS.

  9. Connect your security key to your iOS device.

    Screenshot asking to connect your security key to your iOS device.

  10. Provide your PIN or biometric.

    Note

    If a PIN isn't configured for this security key, you need to first enroll a PIN before you continue registration.

    Screenshot asking to provide your pin for the security key connected to an iOS device.

  11. Reinsert or reconnect your security key to your iOS device.

    Screenshot asking to confirm your pin for the security key connected to an iOS device.

  12. Upon completion, you're redirected back to My Security info and asked to rename your passkey. Name the passkey something memorable to you and select Done.

    Screenshot showing final passkey registration step on iOS.

Next steps