Microsoft Office 97 is the fifth major release for Windows of Microsoft Office, released by Microsoft on November 19, 1996. It succeeded Microsoft Office 95 and preceded Microsoft Office 2000 in 1999. A Mac OS equivalent, Microsoft Office 98 Macintosh Edition, was released on January 6, 1998. Microsoft Office 97 became a major milestone release for introducing new features and improvements over its predecessor.

The Office Assistant is a discontinued intelligent user interface for Microsoft Office that assisted users by way of an interactive animated character which interfaced with the Office help content. It was included in Microsoft Office for Windows, in Microsoft Publisher and Microsoft Project, Microsoft FrontPage, and Microsoft Office for Mac. The Office Assistant used technology initially from Microsoft Bob and later Microsoft Agent, offering advice based on Bayesian algorithms.