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Saturday, August 5, 2017

Exchange Get Mailbox Sizes By Mailbox Type

This post is really just for my own records because I use these all the time; my higher-ups like to know who has giant mailboxes.
And since my Exchange environment is in a Resource Forest, I have every kind of mailbox imaginable - Linked, User, Room, Archives...

So I have these PowerShell cmdlets at the ready to quickly grab that info when I need to send it to the bosses.

Fire up the Exchange Management Shell (EMS) and run any of the following, depending on what info you need.

Shared Mailboxes:

Get-Mailbox -RecipientTypeDetails shared | Get-MailboxStatistics | ft displayname,totalitemsize,itemcount

--To Export a CSV:

Get-Mailbox -RecipientTypeDetails shared | Get-MailboxStatistics | select displayname,totalitemsize,itemcount | Export-Csv C:\Temp\sharedsize.csv -NoTypeInformation

Room Mailboxes:

Get-Mailbox -RecipientTypeDetails roommailbox | Get-MailboxStatistics | ft displayname,totalitemsize,itemcount

--To Export a CSV:

Get-Mailbox -RecipientTypeDetails roommailbox | Get-MailboxStatistics | select displayname,totalitemsize,itemcount | Export-Csv C:\Temp\roommailbox size.csv -NoTypeInformation

Equipment Mailboxes:

Get-Mailbox -RecipientTypeDetails equipment | Get-MailboxStatistics | ft displayname,totalitemsize,itemcount

--To Export a CSV:

Get-Mailbox -RecipientTypeDetails equipment | Get-MailboxStatistics | select displayname,totalitemsize,itemcount | Export-Csv C:\Temp\equipment size.csv -NoTypeInformation

User Mailboxes:

Get-Mailbox -RecipientTypeDetails usermailbox | Get-MailboxStatistics | ft displayname,totalitemsize,itemcount

--To Export a CSV:

Get-Mailbox -RecipientTypeDetails usermailbox | Get-MailboxStatistics | select displayname,totalitemsize,itemcount | Export-Csv C:\Temp\usermailbox size.csv -NoTypeInformation

Linked Mailboxes:

Get-Mailbox -RecipientTypeDetails linkedmailbox | Get-MailboxStatistics | ft displayname,totalitemsize,itemcount

--To Export a CSV:

Get-Mailbox -RecipientTypeDetails linkedmailbox | Get-MailboxStatistics | select displayname,totalitemsize,itemcount | Export-Csv C:\Temp\linkedmailbox size.csv -NoTypeInformation

Archive Mailboxes:

Get-Mailbox | Get-MailboxStatistics -Archive | ft displayname,totalitemsize

--To Export a CSV:

Get-Mailbox | Get-MailboxStatistics -Archive | select displayname,totalitemsize,itemcount | Export-Csv C:\Temp\Archive size.csv -NoTypeInformation

Happy reporting!

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