The following error may occur when you access Dynamics 365 within the Add-ins area of Outlook.
This Dynamics 365 feature is dependent on an Outlook 2016 feature included in build 7466 or later.
You can view the build number in Outlook by clicking the File menu and then clicking Office Account. If your build number is less than 7466, install the latest Office updates.
If you are using Office 365 ProPlus and are configured to use the Deferred Channel for updates, you may not receive the latest available updates required to use this feature. For more information about the different update channels and how to configure the use of a different update channel, refer to the following article:
Article ID: 3211586 - Last Review: 16 Feb. 2017 - Revision: 4
December 2016 Service Pack for Dynamics 365 (CRM 2016), Microsoft Dynamics 365 for Sales, Field Service, Customer Service, and Project Service