Sending, receiving, and organizing email in Outlook.com
Thank you for the information.
Based on your description, you were able to request a security info change. You will be asked to wait 30 days in order to update your security info successfully.
During this time, you will not be able to sign in to sites or services with your account.
Please check this link for more information regarding security info change: https://support.microsoft.com/accounts-billing/manage/what-does-security-info-change-is-still-pending-mean#:~:text=You%20were%20the%20person%20who%20removed%20the%20security,these%20security%20proofs%20to%20complete%20the%20cancel%20request.
Thank you for your understanding.
Best regards,
Darhyl