There is a free version of Teams now: https://www.microsoft.com/en-us/microsoft-365/microsoft-teams/free https://www.microsoft.com/en-us/microsoft-365/microsoft

There is a free version of Teams now: https://www.microsoft.com/en-us/microsoft-365/microsoft-teams/free https://www.microsoft.com/en-us/microsoft-365/microsoft-team... Office web apps also have free tiers, although I don't know if there are business licensing restrictions.