TIP: Exchange TotalItemSize.Value.ToMB or ToGB Stopped Working

This is small but valuable TIP as at least 2-3 people already contacted me for this. TotalItemSize.Value.TOMB() which use to work for Get-MailboxStatistics, admins used it to fetch the mailbox sizes details in MBs or GBs is no longer working. Here is the command many System Administrators used in onpremise, I am not aware if…