Not to be confused with Outlook.com, formally called HotMail.
1997-1999
1999-2003
2003-2007
2007-2010
2010-2013
2013-2018
The color of the icon was changed from yellow to blue for the first time in the application's history. Other programs in the Microsoft Office suite have always kept their original color scheme.
2018-present
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| A product of Microsoft
Standard Business Other Former/Discontinued  |