Microsoft Office 365 is what is called SaaS, or Software as a Service. Azure goes beyond SaaS to become IaaS (Infrastructure as a Service) and PaaS (Platform as a Service), providing the operating system, computing power, and network from which all necessary components are hosted. What does this mean for your business? While Office 365 is a managed solution that is more than enough for many small offices, some may need a more customized approach, more server power, and more storage. Azure provides a wide range of integrated services that can accommodate a multitude of operating systems, languages, tools and app development capabilities. More server power and more storage. Azure provides a wide range of integrated services that can accommodate a multitude of operating systems, languages, tools and app development capabilities.With enhanced virtual capacity, Azure is the choice of many when migrating to a cloud-based infrastructure, as it allows for customized business applications and extended mobile app support. This allows businesses to host complex third-party applications as a service to their workforce and customer base outside of the Microsoft ecosystem.