https://products.office.com/en-us/mac/microsoft-office-for-mac
The beta has concluded Mac customers now have a Sign-In Client for Microsoft Online Services.
Enhanced Support for Mac OS
A new Sign-In Client for the Mac OS provides a single sign-in experience and auto-configuration of Office for Mac applications and the Safari browser for use with Microsoft Online Services.
Other Mac features in this Service Update include:
Interested in taking Microsoft Online Services for a test drive? Take advantage of the 30-day free trial that is available, learn more...