You can select the Microsoft Dynamics 365 record types to synchronize with your Outlook Address Book. For the record types ...

You can select the Microsoft Dynamics 365 record types to synchronize with your Outlook Address Book.  For the record types you select, the names and email addresses in your To, Cc, and Bcc fields are matched with the corresponding Microsoft Dynamics 365 records.  Also, the emails are linked as activities to those records.