Microsoft Azure is a cloud computing platform that provides a variety of services, including computing, storage, networking, database, analytics, machine learning, security, and more. These services can be used individually or in combination to build and deploy applications, websites, and other solutions in the cloud. Azure is designed to be flexible, scalable, and cost-effective, making it a popular choice for businesses of all sizes. In addition, Azure integrates with other Microsoft products and tools, such as Office 365 and Visual Studio, to provide a seamless and unified experience for users.