Microsoft Teams now has more than 20 million daily active users, a 50% spike in four months that puts the tool well ahead of its chief rival Slack. From a report: Microsoft revealed the number of Teams users for the first time in July, about a year after it first started offering a free version of the service. Teams has the advantage of being part of the Microsoft 365 ecosystem with a pool of millions of users to pull from, setting it up for rapid growth. Last month, Slack said it had more than 12 million daily users, a 37 percent increase over the prior year. Despite trailing Microsoft in the number of users, Slack has said its high level engagement — the average paid customer spends 9 hours a day on Slack and more than 90 minutes actively using it — gives it an advantage in shaping the future of work. The two companies are in the midst of a fierce, multi-year rivalry for dominance of the competitive market for chat-based collaboration tools, which also includes tech giants Google and Facebook. Microsoft and Slack have been aggressive in making splashy announcements this year to showcase the growth of their platforms.

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Source: Slashdot – Microsoft Teams Hits 20M Daily Users, Up 50% in 4 Months