When it's open in the taskbar with open email messages etc, it's still using the default blue outlook icon.
One might say that this is a switch mode to choose from. You’ll see a bunch of icons included in the Outlook program file. Go to Office folder C:\Program Files\Microsoft Office\Office14 Or Program Files (x86) if you installed it there. exe found using Windows Search, right click on the Outlook shortcut and choose Run as Administrator from the menu. Scroll down to the area that says “Notification area” and choose the “Select which icons appear on the taskbar“. 5 project for a large company, I heard from one of the IT Directors that Outlook 2010 was showing the PowerPoint icon in the taskbar…. To restore Outlook after you have minimized it, you can double click on the Outlook icon in the Notification Area. Outlook Icons - Download 63 Free Outlook icons IconArchive. I have tried to change my Outlook icon and pin it in taks bar for testing (right-click the shortcut key>properties>change icon>pin it to task bar), and found I could reproduce your issue if the Combine task bar buttons is not set to "Always, hide labels" like below (right-click task bar>task bar settings).
Is there a way to see a notification in the taskbar when a new and/or unread email is received? (New user here.