You mean like the free version not tied to O365 that they have already released? https://products.office.com/en-us/microsoft-teams/group-chat-software?&OCID=AID

You mean like the free version not tied to O365 that they have already released? https://products.office.com/en-us/microsoft-teams/group-chat-software?&OCID=AID643148_SEM_VlZ7H35y https://products.office.com/en-us/microsoft-teams/group-chat... Multi Accounts, sure, but that is simple and easy for them to implement.