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Legacy client and Out of Office (OOF) interoperability

To take full advantage of the new features in Out-of-Office auto-replies, you should use either Outlook Web Access 2007 or Outlook 2007. See the following blog posts for additional details:



If you even wondered what “OOF” actually stands for, check this out:


Now, if you use multiple versions of Outlook to configure OOF, there can be some unexpected results if you are not careful. This article discusses some of the nuances of using multiple Outlook versions when configuring OOF for a mailbox on an Exchange 2007 server.

Legacy client OOF versus Outlook 2007 OOF

Even though Exchange 2007 supports extended OOF features, earlier versions of Outlook retain their same level of functionality for basic OOF configuration. When you open Outlook 2003 with Out-of-Office enabled, you are shown the following dialog box.


This is in contrast to the new OOF balloon in Outlook 2007 that provides one-click access to your OOF configuration.


There’s nothing too important to discuss about these prompts, but I thought it would be nice just to see the new Outlook 2007 feature. The important difference comes in the OOF configuration, which is discussed in the next section.

The Out-of-Office Assistant in Outlook 2003 (with any Exchange version mailbox) offers the same options as an Outlook 2007 client accessing an Exchange Server 2003 (or earlier) mailbox.


Compare this with the OOF Assistant interface for Outlook 2007 with an Exchange 2007 mailbox.

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Microsoft, Exchange, Server, Outlook Web Access, Outlook, Exchange 2007, Legacy, Client, OOF, Out of Office, Interoperability

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