Released to the public on , this suite introduced several major technological shifts for Microsoft:

Office 2000 introduced the Windows Installer (.msi) technology, which improved the installation process and allowed for "on-demand" installation of features.

is no longer officially available for free download from Microsoft as it reached its end of support on July 14, 2009 . While it was a groundbreaking release in 1999, it is now considered obsolete and is not compatible with modern operating systems like Windows 10 or 11 . Key Features of Office 2000

A major selling point at the time was its full compliance with the year 2000 ("millennium bug").