http://blogs.technet.com/b/hot/archive/2012/06/26/retention-policy-does-not-work-automatically-in-exchange-online-for-office-365.aspxSymptom In Microsoft Exchange Online for Microsoft Office 365, you apply a retention policy that moves email messages from a user&rsquo;s mailbox to the archive mailbox. In this scenario, the retention policy does not automatically run. Causeen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.technet.com/b/hot/archive/2012/06/26/retention-policy-does-not-work-automatically-in-exchange-online-for-office-365.aspx#3506632Fri, 29 Jun 2012 10:48:19 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3506632jazimu<p>Well it very technical enough and supportive. I will try the steps and if fail will contact you. </p> <p>you may also need to visit <a rel="nofollow" target="_new" href="http://www.ambrina.com">http://www.ambrina.com</a> for further troubleshooting.</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3506632" width="1" height="1">