Office 365–Software as a Service from Microsoft

Office 365 is  anywhere access to email, documents, contacts, and calendars so you’re always up-to-date. It’s familiar Microsoft productivity applications your team already uses. It’s business-class security and reliability. It’s IT control and efficiency delivered to fit your organization’s unique needs. And it’s an all in one pay-as-you-go service with an affordable price.

There are 3 plans in it.

Professionals and small businesses :- Organizations with fewer than 25 employees

Midsize businesses and enterprises :- Organizations of all sizes with advanced IT needs

Education :- K-12 and higher education institutions

Get the 30 day trial link

System requirements

To get the full Office 365 experience, Microsoft recommend that customers meet the system prerequisites. Minimum requirements for Office 365 include Office 2007+, IE 7+, Windows XP SP3+ (see full requirement list below).

Operating systems requirements
  • Windows XP SP3

  • Windows Vista SP2

  • Windows 7

  • Mac OS X 10.5 (Leopard), 10.6 (Snow Leopard)

  • Windows Server 2003

  • Windows Server 2008

Office client requirements
  • Office 2007 SP2 or Office 2010

  • Office 2008 for Mac & Entourage 2008 Web Services Edition

  • Office 2011 for Mac and Outlook 2011 for Mac

  • .NET 2.0 or later

  • Lync 2010

Browser requirements—Administration Center and My Company Portal
  • Internet Explorer 7 or above

  • Firefox 3 or above

  • Safari 4 or above

  • Chrome 3 or above

Browser requirements—Outlook Web App
  • Internet Explorer 7 or above

  • Firefox 3 or above

  • Safari 3 or above on Macintosh OS X 10.5

  • Chrome 3 or above

  • Outlook Web App also has a light version that supports a reduced set of features across almost any browser

Active Directory
  • In order to use the optional directory sync and identity federation capabilities, your business’s Active Directory must be a single forest.