I am using Outlook 2007 on XP Pro. When I exit Outlook 2007 I get a message
asking me if I want to save the changes (don't know why I get asked the
question) and when I say yes, I get a message that Outlook can not save the
changes because someone else is using it and do I want to copy the changes?
I am in a single user environment.

Any help would be appreciated.

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Neil