Instructions on connecting to Office 365 are covered in other areas of the website:

• How to connect to your Office 365 account -
  • in the first instance (uses web version)
  • and to set up connection thereafter with Outlook Web App (OWA); Microsoft Outlook 2010 client; Microsoft Outlook 2011 (Mac); or Mac Mail.
    
• In the FAQs are the POP/IMAP settings if you need them to set up your access.