Neither of these suggestions worked for me, I did not get an 'Unpin from taskbar' option when right clicking the icon on the taskbar and I did not get an 'Options' option in the menu after opening New Outlook.
The way I had to make this virus go away from the taskbar was to click on Start > click on 'All apps' > locate 'Outlook (new)' > right click 'Outlook (new)' > click 'More' > click 'Unpin from Taskbar'.
I will never get the time back I spent blindly chasing around to find this, so thank you Microsoft.
You are a Hero, I'll never understand why Microsoft wants to reinvent the wheel and just forces us into stuff that no only dosn't work but it's annoying, using the new Outlook made my efficiency go down due to how bad it is, I couldn't even propertly open attached files due to the new version forcing me to download them or open them on an online version of Microsoft Office.