Dynamics365 / CRM Portal

There is a nice extension released with dynamics365. To companies which needs extranet or customer interaction points easily implement Portal as part of CRM.

There is detail on Microsoft Docs site.

https://docs.microsoft.com/en-us/dynamics365/customer-engagement/portals/administer-manage-portal-dynamics-365

Also very detailed blog on

https://blogs.technet.microsoft.com/lystavlen/2017/01/18/using-portal-capabilities-in-dynamics-365-crm/