In Business Contact Manager for Outlook, Account records store information about the companies or organizations you do business with, and Business Contact records store information about the people that you work with at a company. You can link Account records to one or more Business Contacts, and you can link communications, such as e-mail messages, to an Account or Business Contact record to easily connect related information.
This video shows you how to create a Business Contact record, link it to an Account record, and then link e-mail messages to it.