Microsoft is a developer of personal computer software. It is best known for its Windows operating system, the Internet Explorer and subsequent Microsoft Edge web browsers, the Microsoft Office family of productivity software plus services, and the Visual Studio IDE.

Microsoft 365 is a subscription that includes the most collaborative, up-to-date features in one seamless, integrated experience. Microsoft 365 includes the robust Office desktop apps that you’re familiar with, like Word, PowerPoint, and Excel.

This is a list of Microsoft written and published operating systems. For the codenames that Microsoft gave their operating systems, see Microsoft codenames. For another list of versions of Microsoft Windows, see, List of Microsoft Windows versions.

Microsoft Office is a set of applications primarily known as Office Suite, which helps users smoothly and easily carry out different office-related tasks. The three main Microsoft Office applications, Word, Excel, and PowerPoint, have helped simplify our lives.

Get the premium versions of apps and services to create, collaborate, and share your best work. Whether you want to connect with family and friends, learn remotely, or collaborate with your team, there’s a Microsoft 365 plan to meet your needs.