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 Essentials provides:
- Business-class email
- 50GB mailbox
- Web version of Outlook, Word, Excel, and PowerPoint
- 1 TB file storage
- Skype video conferencing