Microsoft Word is a popular word processing program that allows users to create formatted text documents. It provides tools for formatting text, adding images and other objects, checking spelling and grammar, and laying out pages. While Word can perform many tasks, other programs are better suited for things like complex calculations, extensive sorting of data, precise page layouts, and web page authoring. The Word interface includes menus, toolbars, views, and a task pane to help the user navigate and work with documents efficiently.