The Microsoft Dynamics 365 App for Outlook is an Office add-in that you can quickly add to your user's Outlook applications ...

The Microsoft Dynamics 365 App for Outlook is an Office add-in that you can quickly add to your user's Outlook applications so they can track emails and appointments, create contacts, and review Dynamics 365 information in context of their emails or their appointments. To be eligible for this app, users will need the Use Dynamics 365 App for Outlook privilege and have server-side synchronization set up for incoming emails or for Appointments, Contacts and Tasks.