Office 365 is the brand name Microsoft uses for a group of subscriptions that provide productivity software and related services. For consumers, the subscription allows the use of Microsoft Office apps on Windows, macOS, iOS, Android and Windows 10 Mobile, provides storage space on the OneDrive file hosting service, and grants 60 Skype minutes per month. For business users, Office 365 also offers service subscriptions for e-mail and social networking services through hosted versions of Exchange Server, Skype for Business Server, SharePoint and Office Online, integration with Yammer.
Microsoft Azure (formerly Windows Azure) is a cloud computing service created by Microsoft for building, testing, deploying, and managing applications and services through a global network of Microsoft-managed data centers. It provides software as a service (SaaS), platform as a service (PaaS) and infrastructure as a service (IaaS) and supports many different programming languages, tools and frameworks, including both Microsoft-specific and third-party software and systems.