Restore to Microsoft 365 Organizations You can restore your Exchange data to Microsoft 365 organizations with enabled multi-factor authentication (MFA).To restore a single mailbox, folder or item, do the following:Launch the Restore wizard.Specify a target mailbox.Select an authentication method.Log in to Microsoft 365.Specify a user account to impersonate with a public folder mailbox.Specify a CAS server.Specify a target folder.Specify restore options.Review the operation summary.