I need a solution to migrate mailboxes from Office 365 to Office 365, I have two Office 365 tenant with multiple user mailboxes, due to urgent company migration requirement I need to migrate mailboxes from one Office 365 to another Office 365 tenant. I have tried to find direct methods to perform this task, but there is no manual way to migrate Office 365 to Office 365 tenant.
I appreciate if you suggest me a solution, it can be manual or automated tool.