Microsoft saw some big growth in Microsoft Teams at the beginning of the pandemic, and it has kept accelerating over the past six months. Microsoft Teams now has 115 million daily active users. That’s a more than 50 percent rise from the 75 million that Microsoft reported almost six months ago.
https://www.theverge.com/2020/10/27/21537286/microsoft-teams-115-million-daily-active-users-stats