People get confused when talking about Hotmail and Outlook. Outlook also has more advanced security protocols to ensure user privacy. It can also be integrated with MS Office.
The Outlook domain name was picked because its design was similar to MS Outlook and distinguished it from Hotmail.
Hotmail was founded by Sabeer Bhatia and Jack Smith on July 4, 1996, and Outlook was launched on July 31, 2012.