https://docs.microsoft.com/en-us/microsoft-365/admin/add-users/let-users-reset-passwords?view=o365-worldwide

https://support.microsoft.com/en-us/office/restore-your-onedrive-fa231298-759d-41cf-bcd0-25ac53eb8a15

https://support.microsoft.com/en-us/office/restore-deleted-items-from-the-site-collection-recycle-bin-5fa924ee-16d7-487b-9a0a-021b9062d14b#__howlong

Connect-AzureAD
$users = Get-AzureADUser
New-CsBatchPolicyAssignmentOperation -PolicyType TeamsMessagingPolicy -PolicyName "New Hire Messaging Policy" -Identity $users.SipProxyAddress -OperationName "Example 2 batch"