Azure is a cloud computing service created by Microsoft that provides a range of cloud services, including computing, analytics, storage, and networking. Users can pick and choose from these services to develop and scale new applications, or run existing applications, in the public cloud. Azure offers infrastructure as a service (IaaS), platform as a service (PaaS), and software as a service (SaaS), supporting many different programming languages, tools, and frameworks, including both Microsoft-specific and third-party software and systems.