If you're using Windows Firewall, Skype for Business opens the required ports automatically. (Some businesses might choose this option, for example, if they are in litigation and need to ensure there's no contact with the other business.)Ĭhoose Let people use Skype for Business to communicate with Skype users outside your organization. Everyone will be able to contact you except people on those specific domains. If you want to allow contact from all other businesses in the world using Skype for Business, except specific ones, choose On except for blocked domains, and choose + to add those domains. When you enable contact with Skype users, is automatically added as an allowed domain behind the scenes. If you want your users to chat with Skype users, BUT you don't want them to chat with others who use Skype for Business, choose On only for allowed domains. In the Skype for Business admin center, choose Organization > External communications.īy default, your users can communicate with all other people in the world who use Skype for Business (assuming your firewall has been configured to allow this). In the admin center, go to Admin Centers > Skype for Business. Sign in with your Microsoft 365 or Office 365 admin account at. Using the Skype for Business admin center You must have admin permissions in Microsoft 365 or Office 365 to do this. With Skype for Business, your users can search for and IM with everyone who uses Skype, the free app! This article explains what you need to do so they can add Skype contacts. Remember that a successful upgrade aligns technical and user readiness, so be sure to leverage our upgrade guidance as you navigate your journey to Teams. If you want to upgrade your organization to Teams yourself, we strongly recommend that you begin planning your upgrade path today. If you haven't upgraded your Skype for Business Online users yet, they will be automatically scheduled for an assisted upgrade. Skype for Business Online was retired on July 31, 2021.

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