If your Exchange mailbox or email account doesn't exist any more, or you don't
have an Exchange email account at all, or the instructions in 5.1 don't work,
then your current mail profile is incorrect, you should delete it and create a
new one, as follows:
5.2.1 Click Start, and then click Control Panel.
5.2.2 Click Switch to Classic
View if you are using Windows XP or higher versions.
5.2.3
Double-click Mail.
5.2.4 In the Mail Setup
dialog box, click Show Profiles.
5.2.5 Select one of the
incorrect profile in the list and click Remove to remove
it.
5.2.6 Repeat 5.2.5 until all incorrect profiles have been
removed.
5.2.7 Click Add to create a new profile and add
email accounts according to their types.
5.2.8 Start Outlook, you will find
the problem disappear.