Outlook.com is a web-based suite of webmail, contacts, tasks, and calendaring services from Microsoft. Founded in 1996 by Sabeer Bhatia and Jack Smith as Hotmail, Outlook was acquired by Microsoft in 1997 for an estimated $400 million and relaunched as MSN Hotmail, later rebranded to Windows Live Hotmail as part of the Windows Live suite of products.Microsoft phased out Hotmail in October 2011, relaunching the service as Outlook.com in 2012.