Microsoft Dynamics 365 (CRM) is the new Microsoft platform that is going to transform how you do business. It is designed to answer customer relationships challenges. You get access to the sales, marketing, customer services or even operations apps.
Your performance will increase as the software will enable you to manage your customers, from prospection to invoicing.
The integration with Office 365 makes the experiences much more complete and rich. You benefit either from the customer relationship software and the productivity tools.
As in O365, Dynamics 365 is flexible and fits your needs : you don’t need to subscribe to the whole solution but can choose which one(s) is (are) adapted to your business.