Microsoft Authenticator is changing how Android users back up their sign-in codes. From January 2027, the app will stop using a Microsoft personal account to enable backup and move that job to Google One. If you rely on it to get into email, banking or work services, now is a good time to check your recovery arrangements.

The back of a black Android smartphone, an illustrative handset file photo, not Microsoft Authenticator or Google One UI. Photo: Acabashi / Wikimedia Commons, CC BY-SA 4.0, modified.