Outlook 2010 and Outlook 2013 can be launched quickly by different ways. Some of the ways are by creating a desktop shortcut, to pin the Outlook to Start menu or by adding Outlook to the quick launch.
Navigate to C:\Program Files\Microsoft Office\Office14 and locate Outlook.exe and right click on Outlook.exe. To quickly launch Outlook, you can do either of the following or all three options.
Select Pin to Start Menu, to add Outlook 2010 as part of Start Menu.
Select Add to Quick Launch to add Outlook 2010 as part of Quick Launch
Navigate to Send To menu option and select Desktop (create shortcut) from the list available menus