vMail for Office365 Email Migration Tool is having lots of features, you can use them during migrating time. vMail for Office365 Email Migration Tool is best tool for migrating data between cloud platforms. This tool allows you to migrate emails, contacts, calendars, and other mailbox items between Office 365 accounts or to different email platforms with ease. More info- https://appsource.microsoft.com/en-us/product/saas/vartikasoftwareprivatelimited1702907737065.vmail-office-365-email-migration-tool?tab=Overview