Linking Outlook.com mail account and Mac Mail via Active Sync
Outlook.com now supports IMAP and can be configured to work in Mac Mail. Take a look at the following Microsoft Community answer.


  
  Open Mac Mail.
  From the File menu, choose Add Account…
  Input your account information.
  Choose Account Type: IMAP.
  Input the following as the Incoming Mail Server: imap-mail.outlook.com.
  Choose to Use Secure Sockets Layer (SSL) for incoming mail security.
  Input the following as the Outgoing Mail Server: smtp-mail.outlook.com.
  Choose to Use Authentication.
  Choose to Use Secure Sockets Layer (SSL) for outgoing mail security.