"Your version of Microsoft Dynamics CRM for Outlook isn't supported for upgrading to CRM 2016 for Outlook. You must first upgrade CRM for Outlook to a version that is supported for upgrading to CRM 2016 for Outlook."
Option 1: First upgrade to CRM 2015 for Outlook. After upgrading to CRM 2015 for Outlook, upgrade to CRM 2016 for Outlook.
Option 2: Uninstall Microsoft Dynamics CRM 2013 for Microsoft Office Outlook using Add/Remove Programs from within Control Panel. After uninstalling CRM 2013 for Outlook, install CRM 2016 for Outlook.
If you encounter an error trying to install or uninstall CRM for Outlook, run the Program Install and Uninstall troubleshooter.
Article ID: 3182010 - Last Review: Jul 25, 2016 - Revision: 1