Thank you for your response,
Now I am facing a new problem.
I tried migrated the mailbox using tool from the admin center and all emails were migrated successfully as I can see in the outlook mail but the status was failed. I accidentally deleted this migration batch so I cannot read the error message. Next try, I did again but I got this message even when I deleted the old batch :'UserAlreadyBeingMigratedException: The user '@.onmicrosoft.com' already has a pending
request. Please remove the existing request and resume the current batch or start a new batch for this user.
--> Name must be unique per owning mailbox. There's already a request with the name
'IMAP:***@.onmicrosoft.com' owned by mailbox '****.OUTLOOK.COM/Microsoft
Exchange Hosted Organizations/isacacuracao.onmicrosoft.com/****'.'