Hi @Fernanda Cavalcante ,
Welcome to our forum!
According to the machine translation, i understand that you cannot access your Microsoft 365 account, right? If so, please kindly understand that the Outlook tag here we mainly focus on general issues about Outlook desktop client. And in order to avoid your privacy leakage, i have hidden your personal information.
Are you the administrator of your company? If so, you can open a ticket via Admin portal:
Hope to help you!
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