The first is to shift to Microsoft Teams Essentials for $4 per user/month, where users will be treated to the terrifying prospect of group meetings that could last 'up to 30 hours.' (It does happen. Microsoft has presented two paid options for moving off Teams Free (classic). News of the premium push on Microsoft's productivity app was covered by The Reg in January, but we're told some sysadmins on the free plan are only now waking up to the fact that they'll either have to convince corporate to switch to a paid plan or manually migrate all of their company's Teams data. Microsoft will officially kill its legacy free Teams app for business, Teams Free (classic), on April 12, with all chats, files and other data lost unless you switch to a paid version.