Incoming IMAP Mail Server - imap-mail.outlook.com
Incoming IMAP Mail Server Port - 993
Encryption - SSL
Outgoing SMTP Mail Server - smtp-mail.outlook.com
Outgoing SMTP Mail Server Port - 587
Encryption - TLS
Full support of OAuth (Allows 3rd party services/apps to integrate with outlook)
They should have this page up by now, but if not, then most probably by tomorrow.
It's going to give more information and list some of the partners they picked up today, like; TripIt, Sift, Slice, Unroll.me [https://unroll.e/outlook]
, OtherInbox, motley*bunch, and Context.IO.