Outlook migrating data to a new profile via import/export within Outlook

Although we do not support Outlook itsef (Microsoft Office support are the ones who do that), here is a link to a good article on migrating data to a new profile via import/export within Outlook

https://itstillworks.com/transfer-data-old-outlook-profile-new-profile-32376.html

Also, check which version of Outlook you have:
What version of Outlook do I have?

Hope this helps.