If you had a Microsoft account created for you during the SUmail upgrade on July 8, 2013, you can access Microsoft's instant messaging (IM) feature using your Microsoft account (for more information on the Microsoft account and the SUmail/Organizational account, visit Your Two Accounts in Microsoft's Cloud).
Log into http://skydrive.live.com
The Messaging panel now appears:
The Microsoft account and the services accessed by it are managed by Microsoft, not Syracuse University. For help with messaging or your Microsoft account, contact Microsoft.