Ask the people who make Quickbooks if they have any update to add
compatibility with Outlook 2003.

Signature
Sue Mosher, Outlook MVP
Author of
Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx
> I'm trying to synchronize my quickbooks 2003 with outlook
> 2003 and an alert says "open msgstore failed" and I have
> to cancel the task.
> with outlook xp had no problem.
> what can I do?