Transfer Office 365 Account and Emails

Hi there


I have my domain Within an existing GoDaddy account and I have emails associated with Office 365 

This existing account contains multiple domains and office 365 plans. I decide to transfer my own Domain to a newer Godaddy Account . I successfully transfer the domain . But I Don't know how to transfer Office 365 Emails.(What is the best Practise not to lose any data).Could you help, please?