Licensed for one user for installation on 1 Mac. Microsoft Office for Mac features powerful tools designed to help you manage your business and collaborate with ease with the best compatibility with Windows based Office users available. Office Web Apps: Viewing and light editing of Office docs, including Word, Excel, Power Point, and One Note. Support for Safari and Firefox on Mac. The seamless file compatibility you expect: from Mac to PC to cloud. Windows Live offers a suite of FREE service: Hotmail – email, calendar, and contacts; Sky Drive – securely store and access your files online with 25GB of free online storage; Windows Live Photos online photo storage and presentation.