How to stop outlook from connecting to a server that is not in production anymore?

I have a user that when he opens outlook and go to the connection status (right clicking on the item on the system tray), outlook is trying to connect to a server that is no longer in production. The user was given a new profile and the problem still occurs. When he initially opens outlook it takes about 5 minutes to be functional. When he sends e-mail it hangs for 2-3 minutes.
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First reboot the machine.  Then, go to Control Panel and select the Mail icon.  Click on Email Accounts to see if the old account is there.  Then select the Data Files tab to see if it is there also.  If so, delete it and then restart Outlook.

If not, check under Profiles.  If the old profile is there, remove it as well and restart Outlook.

If none of the above work, then you'll need to recreate the Outlook profile.  First, if it is POP3, export the PST file first.  Then delete the Email account, data file, and Profile.  Then create a new profile that points to the new mail server.  Then restart Outlook.

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