That doesn’t mean that Microsoft 365 is necessarily the best suite for your specific purposes, however. Microsoft 365, the current name for what used to be Office 365, is the colossus of office suites and the one that much of the world uses by default. Office suites haven't replaced the water cooler, but your company's business messaging app might have. Today, most people understand an office suite to be a batch of applications on your computer or mobile device that you use to do all those tasks, either alone or with collaborators, and not just during the workweek). Go back one millennium, and the term office suite meant a bunch of rooms in a brick-and-mortar building where people gathered on weekdays to type letters, hold meetings, calculate earnings, design advertisements, and waste time at the water cooler.