In the previous assignment papers of part 1 and part 2, a detailed description of two IT companies has been shown about their products and services. Part 1 has highlighted the role of Microsoft Corporation, to grow the global business with the help of information technology. In this paper, a clear idea has been expressed about its software applications to make the business process easier and faster. From this part, it has been analyzed that this firm has performed a great function in today's IT-based business marketplace. By launching its cloud application, it has contributed a great task to connect customers, stakeholders, and managers of companies more east way.