The ExchangeDatabaseGrowthReporting.PS1 script can be used to help you understand what is taking up space in an Exchange 2010 / 2013 database. This is useful when trying to answer questions such as “The database is growing in size but we aren’t reclaiming white space” or “All of the databases on this one server are rapidly growing in size but the transaction log creation rate is 'normal'. Why is that?"

Please note a few things about the script:

The script goes with the following blog post:

http://blogs.technet.com/b/exchange/archive/2014/01/06/exchange-2010-and-2013-database-growth-reporting-script.aspx