Using New Outlook on Windows for professional communication and productivity
Hello Sonnhejb,
Thank you for the update. I'm sorry that the troubleshooting steps did not help resolve the issue.
Try updating your password at: https://account.live.com/ResetPassword.aspx Your account might be temporarily blocked because Microsoft noticed some unusual sign-in.
To create the support request using an in-private browser.
On your browser (Edge or Chrome) select the three dots on the top right.
In Edge select In-Private Windows, In Chrome select Incognito Window.
Follow the steps to create a support request with the Microsoft support team.
Let me know if further assistance is needed.
Best regards.