EMS and how big is my database
Microsoft has provided a nice easy command to show you how large your current databases are, this one line command can be pipped to a file or used in a report
Get-MailboxDatabase -Status | fl name,databasesizes
Name : DB001
DatabaseSize : 141.8 GB (152,220,270,592 bytes)
Name : DB002
DatabaseSize : 98.17 GB (105,412,362,240 bytes)

