MS: Report items amount and size of each manage folder in Exchange

This powershell script will show how many items and size of each managed folder of all users in a Exchange 2007/2010 organization.

Get-Mailbox foreach { $mbx = $_.DisplayName; Get-MailboxFolderStatistics $_.identity -FolderScope 'Managed Folders' select @{n="DisplayName";e={$mbx}},FolderPath,ItemsInFolder,@{n="FolderSize(MB)";e={$_.folderSize.toMB()}}} export-csv c:\reports\ManagedFolders_12152010.csv