Never try to install or run 2 versions of Outlook at once.
The only way to fix your situation is to remove both completely and
reinstall only one version.

Signature
Russ Valentine
[MVP-Outlook]
>I teach online computer software classes at a local community college. My
> newest class was an introductory course for Office 2003. I had Office 2000
[quoted text clipped - 8 lines]
> click off an error message that popped up saying it was being used by
> another, then it would display just fine. Can you help?
Russ:
I just picked up your response to my request. As far as I know, the old
contact list was NOT used by another, but I kept getting that error message.
I once tried to set it up to be shared by my husband on our peer-to-peer
network but was unsuccessful in doing so. Therefore, as far as I'm aware, I
am still the only one using it. Can I get it back by uninstalling Outlook
2003?
Janet
> Never try to install or run 2 versions of Outlook at once.
> The only way to fix your situation is to remove both completely and
[quoted text clipped - 11 lines]
> > click off an error message that popped up saying it was being used by
> > another, then it would display just fine. Can you help?
Russ Valentine [MVP-Outlook] - 08 Jan 2006 20:10 GMT
Your data file should be fine. Back it up.
You'll have to get back to having only one version installed, however,
before an Outlook profile will work.

Signature
Russ Valentine
[MVP-Outlook]
> Russ:
>
[quoted text clipped - 32 lines]
>> > click off an error message that popped up saying it was being used by
>> > another, then it would display just fine. Can you help?