List Mailbox Sizes in Exchange 2010
Using the Exchange Management Shell it is possible to export a list of Mailbox sizes to a csv file using a very simple command
Get-Mailbox |Get-MailboxStatistics | Sort-Object TotalItemSize -Descending | select-object DisplayName, {$_.TotalItemSize.Value.ToMB()} | export-csv -path C:\Temp\MailboxSizes.csv |
Once opened up in Excel or any other spreadsheet the data is clearly presented.