Exchange 2010: How to list folders in mailboxes (PS)

First store the output of the Get-Mailbox cmdlet in a variable. We do this to prevent piping errors when running multiple pipeline commands at the same time.

$mailboxes = Get-Mailbox

Run the following script to create a .csv file that contains ‘MailBox – # items in folder – folder size’.

$mailboxes | Select-Object alias | foreach-object {Get-MailboxFolderStatistics -Identity $_.alias | select-object Identity, ItemsInFolder, FolderSize} | Export-CSV C:\TEMP\MAILBOX_FOLDER_STATS.csv -NoTypeInformation

Exchange 2010: Create list mailbox sizes (PS)

Create list Exchange 2010 mailbox size (PowerShell)

For just 1 mailbox database:

Get-MailboxStatistics -Database "Mailbox Database Name" | Select DisplayName, ItemCount, TotalItemSize | Sort-Object TotalItemSize -Descending | Export-CSV C:\TEMP\RPT_DB_Mailbox_Size.csv

For the entire server:

Get-MailboxStatistics -Server "Server Name" | Select DisplayName, ItemCount, TotalItemSize | Sort-Object TotalItemSize -Descending | Export-CSV C:\TEMP\RPT_SVR_Mailbox_Size.csv