Microsoft announced that Skype for Business Online will be retired on July 31, 2021. New Office 365 customers will use Teams for chat, meetings, and calling starting on September 1, 2019 but existing Skype for Business customers should not be affected until 2021.
A free version of Microsoft Teams, an online meetings and chat platform, is now available at products.office.com/en-US/microsoft-teams/free. The free version allows up to 300 users and has additional restrictions when compared to the paid versions.
Microsoft has announced the new project called Microsoft Teams, a group chat workspace within Office 365. It runs on Windows, Mac, Android, and iOS.
Office 365 IT administrators can turn on Microsoft Teams by opening Office 365 Admin Center and selecting Settings > Services & Add Ins > Microsoft Teams.
More information can be found at teams.microsoft.com and techcommunity.microsoft.com/t5/Microsoft-Teams-Blog/bg-p/MicrosoftTeamsBlog
An overview of the Microsoft Teams developer platform can be found at msdn.microsoft.com/en-us/microsoft-teams/index.