一组用于共享和管理内容、知识和应用程序的 Microsoft 产品和技术。
Dear wyshi123,
Good day! Thank you for posting to Microsoft Community. I am happy to help you.
In response to the error message you receive, it is possible that the account has been frozen. If you want to investigate this, since you are using an education subscription and the account is assigned through your school, you will need to contact the admin user and ask them to open a billing ticket in the admin center. This makes it possible to contact Microsoft's support staff, who are the only ones who have permission to handle such situations.
At the same time, Microsoft's support staff will also give specific reasons for this phenomenon. I understand your feelings, and if your account is locked, I also recommend that you download the files locally after unlocking your account to avoid freezing your account again.
Ref: How do I find my Microsoft 365 admin? - Microsoft Support
Thanks for your cooperation.
Sincerely,
Tin | Microsoft Community Moderator