"A few people have asked if this works with Windows Phone version Microsoft Authenticator. Windows Phone makes up <5% of the active users of our Authenticator A

"A few people have asked if this works with Windows Phone version Microsoft Authenticator. Windows Phone makes up <5% of the active users of our Authenticator Apps so we have prioritized getting this working with iOS and Android for now. If/When it becomes a big success on those high scale platforms, we will evaluate adding support for Windows Phone." [1] - Reasons never to buy a Windows Phone #387. [1]: https://blogs.technet.microsoft.com/enterprisemobility/2017/04/18/no-password-phone-sign-in-for-microsoft-accounts/ https://blogs.technet.microsoft.com/enterprisemobility/2017/...