<div>
you can run the following cmdlet:<br />
<br />
Get-Mailbox -ResultSize Unlimited | Get-MailboxStatistics | Sort-Object TotalItemSize -Descending | Select-Object DisplayName,TotalItemSize -First 30<br />
<br />
This will give you the top 30
</div>


you can run the following cmdlet:

Get-Mailbox -ResultSize Unlimited | Get-MailboxStatistics | Sort-Object TotalItemSize -Descending | Select-Object DisplayName,TotalItemSize -First 30

This will give you the top 30

<div>
ok I am running I have 70 exchange servers , wil it search all
</div>


ok I am running I have 70 exchange servers , wil it search all

<div>
It will search all mailboxes and output the top 30 largest based on mailbox size.
</div>


It will search all mailboxes and output the top 30 largest based on mailbox size.

<div>
ok it is still running I will update shortly
</div>


ok it is still running I will update shortly

it just gave the mail box name and not the size

<div>
How can I output to csv file
</div>


<div>
you didn't copy it correctly, because it would have also gave you the size. all you have to do is copy and paste. No need to change anything.
</div>


you didn't copy it correctly, because it would have also gave you the size. all you have to do is copy and paste. No need to change anything.

<div>
I copied correctly and how to put output c drive
</div>


I copied correctly and how to put output c drive

<div>
you can also manually type what I sent you.
</div>


you can also manually type what I sent you.

<div>
if output didn't show size then something was wrong. I tested this before I sent it to you.
</div>


if output didn't show size then something was wrong. I tested this before I sent it to you.

<div>
drive doesn't matter. if you don't get this working correctly l, out to csv won't work correctly either.
</div>


drive doesn't matter. if you don't get this working correctly l, out to csv won't work correctly either.

<div>
we have US , UK mailbox servers. we have DAG environment, I ran this command on a North America mailbox server <br />
<br />
so it will cover users only from NA domain, am I right?
</div>


we have US , UK mailbox servers. we have DAG environment, I ran this command on a North America mailbox server

so it will cover users only from NA domain, am I right?

<div>
<div class="content wysiwyg-content">
i have exchange 2010 enterprise,<br />
<br />
I need to run command in EMS to find which is the largest mailbox in size in my organization<br />
<br />
or <br />
<br />
list the mailbox with 10 &nbsp;biggest size or run command to list mailboxes with size over 5gb
</div>
</div>


i have exchange 2010 enterprise,

I need to run command in EMS to find which is the largest mailbox in size in my organization

or 

list the mailbox with 10  biggest size or run command to list mailboxes with size over 5gb

Exchange, mailbox

Windows PowerShell is a task automation and configuration management framework from Microsoft, consisting of a command-line shell and associated scripting language built on the .NET Framework. PowerShell provides full access to the Component Object Model (COM) and Windows Management Instrumentation (WMI), enabling administrators to perform administrative tasks on both local and remote Windows systems as well as WS-Management and Common Information Model (CIM) enabling management of remote Linux systems and network devices.

Powershell

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.