Microsoft Office is the collective name for Microsoft's set of home and business productivity software. The MS suite of programs includes Microsoft Word, a word processing tool; Microsoft Excel, a spreadsheet program; Microsoft PowerPoint, used for creating interactive presentations; Microsoft Outlook, used for email and calendar management; Microsoft Access, a database management program; and Microsoft OneNote, a note-taking application.

Microsoft Office programs have become the de facto standard for many of the categories of programs it includes, especially word processing and spreadsheet use.