You may also want to refer to Mobile client feature comparison for Skype for Business for smart phone and tablet client feature comparisons. The following tables show the features that are available with each client that works with Skype for Business Server 2019 or Skype for Business Online. Skype for Business Online Admins may want to refer to Skype for Business Online Service Description for information on the different plans available to them. Some features available with Skype for Business Server 2019 are not available in Skype for Business Online see Online or Hybrid user account limitations for specifics. This can help you communicate changes to users, pace the roll-out process, and fully understand the benefits of upgrading to the latest client. Use the tables below to understand the feature support impact on those clients. Summary: Skype for Business Server 2019 or Skype for Business Online administrators can use these tables to understand what features are supported on which clients.īefore you deploy or upgrade to Skype for Business Server, check which clients are already in use in your organization.