Connettersi tramite PowerShell a Office365:
Install-Module -Name ExchangeOnlineManagement
Import-Module ExchangeOnlineManagement
Connect-ExchangeOnline -UserPrincipalName mioindirizzoemail
Verificare gli attuali permessi:
Get-MailboxStatistics [username] | Format-List StorageLimitStatus,TotalItemSize,TotalDeletedItemSize,ItemCount,DeletedItemCount
Chudere la sessione:
Remove-PSSession $Session