In this post I’ll look at how to find out the mailbox sizes in Office365 using PowerShell.
I’m working with a few more companies now who use Office365 so I thought I would look at how to perform a few general Exchange administration tasks in Office365 using PowerShell so that I can manage and maintain them more easily.
Note: the steps below also work for Exchange 2016.
Following on from a previous article on how to find out mailbox sizes in Exchange 2007 found here, the syntax is a little different for Exchange 2010. Below are a few scripts that will help with Exchange 2010 reporting.
Get-Mailbox will show you mailbox name, alias, server and prohibit send quota. It’s a start, but no information on mailbox sizes.
Using the first script from the Exchange 2007 post you need to add the -server switch, Get-MailboxStatistics -server SERVERNAME | Sort-Object TotalItemSize -Descending | ft DisplayName,@{label=”TotalItemSize(MB)”;expression={$_.TotalItemSize.Value.ToMB()}},ItemCount to get the following report.
By adding a redirect you can output the report details to a text file.
Get-MailboxStatistics -server SERVERNAME | Sort-Object TotalItemSize -Descending | ft DisplayName,@{label=”TotalItemSize(KB)”;expression={$_.TotalItemSize.Value.ToKB()}},ItemCount > c:\reports\mailbox_sizes.txt
Related Posts:
1. How to install Exchange 2010 (SP3) on Windows Server 2012
4. Exchange PowerShell: How to enumerate and modify Distribution Group properties
5. How to install Exchange 2013 (SP1) on Windows Server 2012 R2