are you using a pst as your default delivery location? check in File, Data
management.

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Diane Poremsky [MVP - Outlook]
Author, Teach Yourself Outlook 2003 in 24 Hours
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>I have installed office 2007 and when i run outlook 2007 I do not
> have the option to open a shared calendar or share my calender, I did
[quoted text clipped - 4 lines]
> Thanks in advance
> Tony