Hi, I am Van. I'll be glad to assist you today.
Please note that outlook.com is currently experiencing an issue. And Microsoft is actively investigating and fixing the problem. Kindly visit the link below to stay updated on the status of the case.
https://status.cloud.microsoft/
https://portal.office.com/servicestatus/
I recommend reaccessing your Outlook account at a later time after the issue has been resolved.
Please let me know if you need any further assistance. I will be glad to assist.