Microsoft Exchange accountAn account managed by Microsoft Exchange Server. Microsoft Exchange
accounts are used by organizations with many users. They make it possible to synchronize e‑mail, calendars, and contacts between multiple computers.
Windows Live IDAn e-mail address from any of the Windows Live
services. These include all e‑mail accounts ending in "@live.com," "@hotmail.com," "@msn.com," and other accounts that are registered with Windows Live., you can use Outlook
to see a contact’s online status and start an instant messaging conversation.
Do any of the following:
See the online status for corporate contacts
See the online status for personal contacts