A Microsoft Account (Windows Live ID) is required to sign up for the Skype for Business Preview Program. If you need to create a new Microsoft Account, or link a login to your current business account, you can do that here.
Skype is a telecommunications app that provides HD video calls, instant messaging, calling to any phone number or landline, and Skype for Business for productive cooperation on the projects. This service helps millions of individuals and businesses all over the globe stay connected and enjoy seamless e-communication in all its possible forms.
Microsoft Employees should use their corporate credentials for sign in.
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The Skype for Business customer programs provides you early access to new products and features.
It enables your organization to get a sneak peek at what's coming and to test out the new features in your own environment and give feedback before we release product builds to the general public.
It enables your organization to get a sneak peek at what's coming and to test out the new features in your own environment and give feedback before we release product builds to the general public.
Skype For Business Mac Client
Does your organization have a valid Microsoft NDA?Skype For Business App Mac

Download Skype For Business App
Select this option to view a full list of offerings, including those available prior to public preview.