When you move a mailbox, in my example between an Exchange Server 2010 and Exchange Server 2003 – yes in this order, it’s a back-move, just to show it is possible to do so – after the move is complete, the Move Request stays in the “Move Request...

    Outlook 2003   Outlook 2007   Outlook 2010   Exchange 2003 (SP2)   Outlook Anywhere RMS e-mail Cached mode Reduced Network traffic (50-70%) Search Folders         Exchange 2007 (SP1)   Outlook...