Microsoft's e-mail services ( Hotmail, LiveMail, MSN, Outlook.com ) now support the IMAP protocol. There are many benefits of using IMAP vs. the old POP method for accessing your mailbox. The biggest benefit to IMAP is the ability to quickly access your email from any device and interact with the same content across all devices and locations.
Here's a 5 minutes video tutorial on how to add your IMAP account to Outlook 2010 and other email programs, including Apple Mail.