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In addition, beginning in October 2022, Microsoft will begin decommissioning aspects of that infrastructure specific to hybrid organizations. Microsoft will begin decommissioning the Skype for Business Online infrastructure on or after June 30, 2022. For background on why Skype for Business Online was retired, see FAQ-Upgrading from Skype for Business to Microsoft Teams. The Skype consumer service isn't affected by this retirement. With Skype for Business Online being retired, Microsoft wants to ensure customers have the required information and resources to plan and execute a successful upgrade to Teams. Teams is the core app for communication and collaboration in Microsoft 365. This retirement was announced in July 2019 to give customers two years advance notice to plan their upgrades to Microsoft Teams. On July 31, 2021, Microsoft retired Skype for Business Online.
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