The Skype for Business on Mac client supports Cert-based authentication, Microsoft Modern Authentication, and Multi-Factor Authentication when deployed and enabled. The client has the same requirements as our mobility clients in that you must have an Access Edge Server and Reverse Proxy deployed in a supported configuration. The Skype for Business on Mac client leverages both the Unified Communications Management Platform (UCMP) as well as the Unified Communications Web API (UCWA) that our mobility clients use. Infrastructure requirements for Skype for Business on Mac These clients are not supported by Skype for Business Server 2019. This may be helpful if you have separate Skype accounts for personal use and work, for example. You don’t have to log out and log back in you can sign into as many Skype accounts as you want via the web, Windows, Mac, or Linux Skype applications. Microsoft Communicator for Mac 2011 (see Communicator for Mac 2011 Deployment Guide) Skype doesn’t offer an obvious way to use multiple accounts at the same time. Microsoft Lync for Mac 2011 (see Lync for Mac 2011 Deployment Guide)

For details about supported features, see Desktop client feature comparison for Skype for Business. Skype for Business Server 2015 also supports the following legacy clients on computers that are running Mac OS 10.5.8 or latest service pack or release (Intel-based) operating systems (Mac OS 10.9 operating system is not currently supported).

Refer to the System requirements for the minimum hardware required. This list is preliminary and some devices may be qualified for Lync, but not supported on Skype for Business on the Mac.

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