Follow the steps to understand the Office 365 Migrator Software
Run Office 365 Migrator tool in your Windows system.
Select I am Admin option to migrate multiple Office 365 Email accounts in batch mode at once.
Enter Office 365 login details in the interface to fetch data.
Choose the required Office 365 Mailbox folders from left pane.
Choose the required Saving option from the list of 30+ options.
Office 365 Migration Process Started in Software Panel.
Office 365 Migration process is successfully completed within few minutes.