"Milly Staples [MVP - Outlook]" <What@ever> wrote in message
news:eoz1HVB0IHA.4492@TK2MSFTNGP02.phx.gbl...
>Actually, the answer is no. Outlook 2007 uses a different system for
>indexing files that Outlook 2003 does not. It is NOT recommended to
>access the Exchange mailbox with two >versions of Outlook. Eventually, the
>mailbox will show corruption.

Thanks for the heads up - I'm not an Exchange expert!