Microsoft Office 98 Macintosh Edition

Microsoft Office 98 Macintosh Edition is a version of Microsoft Office for the classic Mac OS, unveiled at Macworld Expo/San Francisco on January 6, 1998. It introduced the Internet Explorer 4.0 browser and Outlook Express, an Internet e-mail client and usenet newsgroup reader. Office 98 was re-engineered by Microsoft's Macintosh Business Unit to satisfy customers' desire for more Mac-like software.
There are two editions of Office 98: Gold and Standard.
It included drag-and-drop installation, self-repairing applications and Quick Thesaurus, before such features were available in a version of Office for Windows. It also was the first version to support QuickTime movies. The applications in Microsoft Office 98 were:
Another rare edition of Microsoft Office 98 Macintosh Edition was published titled: "Microsoft Office 98 Macintosh Gold Edition." This version included everything the normal version included plus Microsoft FrontPage Version 1.0 for Macintosh, Microsoft Bookshelf 98 reference software, and Microsoft Encarta 98 Macintosh Deluxe Edition.
System requirements.
Source of above.