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| | Midsize business and enterprise (Plan E3) |
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Top benefits | Office 365 uses the Office tools you already know and makes them accessible virtually anywhere. It is also easy to set up and administer. | Office 365 offers easy administration and flexible deployment options. You get virtually anywhere access to familiar Office tools and automatic upgrades to the latest version of Office Professional Plus 2010. |
Features | | |
Cloud-based email |  |  |
Shared calendars and contacts |  |  |
Instant messaging, PC-to-PC calling, and online conferencing |  |  |
Intranet site for sharing files |  |  |
Public-facing website |  |  |
Easy to set up and administer |  |  |
Antivirus and anti-spam filtering |  |  |
Microsoft community support |  |  |
Financially-backed 99.9% uptime guarantee |  |  |
Office Web Apps (Word, Excel, PowerPoint, and OneNote) |  |  |
Subscription to desktop version of Office Professional Plus 2010 | |  |
Live 24 x 7 customer phone support | |  |
Active Directory Synchronization | |  |
Hosted voicemail support | |  |
Unlimited email storage and archiving | |  |
User maximum | 50 | 50,000+ |
Resources for IT personnel Answers to frequently asked questions | | Midsize business and enterprise (Plan E3) |
Education and Government customers: Learn more about Office 365 plans for academic institutions and government agencies. | Q: Can I switch between an Office 365 Small business (P1) plan and an Enterprise (E) plan?You cannot migrate between an Office 365 Small business (P1) plan and an Office 365 Enterprise (E) plan. In order to change from a Small business (P1) plan to an Enterprise (E) plan or vice versa, you must first cancel your account with the plan you currently have, and then sign up for a different one. |