Hotmail

Outlook.com is a web-based suite of webmail, contacts, tasks, and calendaring services from Microsoft. One of the world's first webmail services, it was founded in 1996 as Hotmail by Sabeer Bhatia and Jack Smith in Mountain View, California, and headquartered in Sunnyvale.Wikipedia

Users: 400 million

Date launched: July 31, 2012

Content license: Proprietary software

Available in: 106 languages

Owner: Microsoft Corporation