Is Outlook 2003 fully compatible with Exchange Server 2010?

Posted on 2011-10-05
Last Modified: 2012-05-12
Is Outlook 2003 fully compatible with Exchange Server 2010?

I have a customer site who insists upon continuing to use Outlook 2003 even though they have just been migrated from Exchange Server 2003 to Exchange Server 2010.

The Exchange Server 2010 server is installed on a Server 2008 R2 Hyper-V server. Also, the domain has changed from being a Server 2003 SBS domain to being a Server 2008 R2 domain.

I just need to know if Outlook 2003 is fully compatible with Exchange Server 2010 or if Outlook 2003 is used with Exchange Server 2010 if problems will occur.
Question by:Knowledgeable
    LVL 76

    Accepted Solution

    You won't have any problems using Outlook 2003 with Exchange 2010.

    You might need to tweak Exchange to work with Outlook 2003, but it will work happily.
    LVL 7

    Assisted Solution

    Yes they are supported bottom of page
    All MAPI clients are running a supported version of Outlook, including Microsoft Outlook 2007, Outlook 2003
    LVL 31

    Assisted Solution

    Run outlook 2003 in cached mode for the best experience.

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