Exchange Server – Get Mailbox Folder Sizes

If you are using Exchange and you want to see the list of folder sizes a mailbox has, you can open up Exchange Management Shell (EMS) and run the command below:

Get-MailboxFolderStatistics mailboxalias | Select Name,@{N="FolderSize (MB)";E={$_.FolderSize.ToMB()}},ItemsinFolder

Where:

• mailboxalias = The alias of the mailbox you want to get the folder sizes of
• Name = Name of the folder
• @{N=”FolderSize (MB)”;E={$_.FolderSize.ToMB()}} = Converts the folder size into MB
• ItemsinFolder = The number of items in each folder

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About The Author

Andrew Armstrong

Andrew Armstrong is a UK-based IT professional with 26+ years of hands-on experience in Windows, Windows Server, SCCM/ConfigMgr, Active Directory, PowerShell, and enterprise infrastructure. He founded TechyGeeksHome in 2010 and has published over 1,500 practical guides covering real-world IT problems and solutions. When not solving IT problems, Andrew develops free Windows utilities including Ultimate Settings Panel, which has been downloaded over 850,000 times.

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