Deleting Stale Office 365 online Mailboxes with Powershell

We are using Office 365 online for our student email system.
I want to remove any mailbox that hasn't been accessed in the last year.

Once you determine that, you can remove the mailboxes a number of ways - depending on how your onsite AD interacts with Office 365.
If you use DirSync, the users that have been deleted onsite should eventually be purged from Office 365, mailboxes included.
*To be honest, I have always deleted users manually using the method below, so I cannot affirm, from experience, that this is the case, so someone may correct me.*
You can manaully purge mailboxes as well (I had to do this a while ago) with PowerShell cmdlets.
$cred = get-credential
connect-msolservice -credential $cred
Remove-MsolUser –UserPrincipalName [email protected]
Yes, you have to install what is known as the Windows Azure Active Directory Module for PowerShell to use those commands (cmdlets).
http://technet.microsoft.com/en-us/library/jj151815.aspx
If that's not clear, please ask follow up questions.
Please mark as helpful if you find my contribution useful or as an answer if it does answer your question. That will encourage me - and others - to take time out to help you.

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Ankit,
You are talking about multiple things in your question, so let me try and clarify the question.
1) Office 365 +SP 2013 is not Project Server. Project Server is a totally separate application built on SharePoint. And in Office 365, Project Server is offered as Project Online, which is an additional license you need to purchase.
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http://technet.microsoft.com/de-de/library/bb124097(v=exchg.150).aspx
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Hi,
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It's recommended to download and install
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True
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cm01 APCPRD02\Managed ... {ReadPermission} True
False
cm01 PRDMGT01\View-Onl... {ReadPermission} True
False
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hi Michael,
Thanks for the reply, I found some filter suggestions from another website as follows:
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They work for the moment, but since they are not Office 365 official I don't know whether it will break if I have more users.
Also is it possible to get output in CSV or XML format instead of text. If not possible, can you provide me how to parse the text format?
thanks and regards,
--Leo

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Hi Kindovic,
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Deleting Stale Office 365 online Mailboxes with Powershell

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