New invitations will be issued daily over the next few weeks until all organizations wanting to participate have access, and testers will also be able to submit feedback during the preview period at. We’ll be adding instant messaging, presence and the contacts list in the next preview release coming in early summer, and telephony in late summer. Microsoft plans to roll out the Skype for Business Mac client in three stages, starting with today’s release which includes Outlook calendar integration for viewing and joining meetings right from Skype, then two additional versions before public availability:

In addition to taking preview requests from commercial clients, Microsoft says it will begin seeding Skype for Business Mac Preview to IT administrators before opening the preview to more users. IT professionals can request access to the new Skype for Business Mac Preview starting today. The new business-focused version of Skype for Mac runs on OS X El Capitan and focuses on creating an enterprise-friendly experience. Microsoft is getting serious with the Mac today with its new Skype for Business preview for OS X.

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