Cannot update my primary Office 365 account telephone number

JLang 0 Reputation points
2026-09-18T13:36:57.0733333+00:00

Unable to update my primary account telephone number. Old number is depreciated.

Outlook | Web | Outlook.com | Account management, security, and privacy
0 comments

1 answer

Sort by: Oldest
Most helpful Newest Oldest
  1. DaveM121 934.5K Reputation points Independent Advisor
    2026-09-18T14:13:55.1433333+00:00

    Microsoft announced they are deprecating SMS recovery codes on Microsoft accounts, it is no longer possible to add a new phone number to a Microsoft account, they indicate we should not use the Authenticator app, a PassKey or add a new Email address for account recovery.

    https://support.microsoft.com/en-us/accounts-billing/manage/microsoft-account-security-info-verification-codes

    Was this answer helpful?

    0 comments

Your answer

Answers can be marked as 'Accepted' by the question author and 'Recommended' by moderators, which helps users know the answer solved the author's problem.