Hi,
Q&A currently supports the products listed over here https://learn.microsoft.com/en-us/answers/products (more to be added later on).
You can reach the experts in the dedicated Microsoft 365 forum over here:
https://answers.microsoft.com/en-us/msoffice/forum
You'll also find some information here:
Migration to Microsoft 365 Enterprise
https://learn.microsoft.com/en-us/microsoft-365/enterprise/migration-microsoft-365-enterprise-workload?view=o365-worldwide
(Please don't forget to accept helpful replies as answer)
Best regards,
Leon