Outlook on the Web can be used by anyone whose account is on Microsoft's Office 365 service.

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You can choose to use Outlook on the Web exclusively. Or you can use it when you're away from your own computer, and use another email application, such as Outlook or Apple Mail, the rest of the time.

Supported Browsers

Firefox: the current or immediately previous version

Google Chrome: the latest version only

Windows Internet Explorer: the current or immediately previous version

Apple Safari: the latest version only

Mac Users

Web Outlook 365 Spell Check

Microsoft has stated that they do not support access to Outlook on the Web using Safari on Mac OS X 10.7 (Lion) or an earlier version of OS X.