Do you know Microsoft does not provide any out-of-the-box solution to back up your MS Teams data
While migrating your Microsoft Teams account, migrating lists or files from your SharePoint on-premises document libraries or your on-premises file shares and moving them to either SharePoint, OneDrive, or Microsoft Teams in Office 365 is mandatory. The complete process is complicated and time-consuming. Besides, as there is no official tool available from Microsoft to back up your Teams data during migration, it is mandatory to put policies in place to protect and prevent it from being deleted.
The migration of Microsoft Teams from one tenant to another is a complex process and often made more so by the resources and features of the system.
We have put together this handy infographic as your go-to document when undertaking your migration project to help migrate Teams successfully.