Office 365 is a cloud-based service hosted by Microsoft that brings together familiar Microsoft Office desktop applications with business-class email, shared calendars, instant messaging (IM), video conferencing and file sharing.
Office 365 Business Premium provides:
- Business-class email
- 50GB mailbox
- Desktop Office 2016: Outlook, Word, Excel, Access and PowerPoint
- One license covers 5 phones, 5 tablets, & 5 PCs or Macs per user
- 1 TB file storage