Misconfiguration of office 365 retention policy

would like your help to see the possibilities of recovering all the deleted items from deleted folder of all my users, by mistake a retention policy was applied on the mailbox level and it moved all items older than 90 days to the deleted items folder.

A quick response will be much appreciated, i am trying to follow this process http://blogs.msdn.com/b/emeamsgdev/archive/2012/04/27/powershell-script-to-recover-all-deleted-items-in-a-mailbox.aspx but nothing works out.I was thinking to use search-mailbox but couldn't gather a proper syntax to move items to the inbox of same mailbox.

Any help will be much appreciated.

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Harper McDonaldCommented:

Towards the end of this article might help you out.
Vasil Michev (MVP)Commented:
In addition to the info from the above article, if he has an archive enabled, check the Recover Deleted Items container for the archive mailbox as well.
auk_expertsAuthor Commented:
Thanks  for the links but as I mentioned I need to recover for all my users and they are in thousands as the policy was applied as default.

We do not have the archive , yes items are there in recover deleted items for all the users but I want to recover them without user intervention.
Vasil Michev (MVP)Commented:
You cannot use the Search-Mailbox/New-MailboxSearch cmdlet, as it requires the source and the target mailbox to be different.

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auk_expertsAuthor Commented:
Thanks grading as C , because couldn't get a solution
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