How to uninstall the add-in
To uninstall the add-in, go to the Windows START button on the left side of the screen.
Right-click on the mouse and select the Apps and Features section.
In a search box start typing Redmine, and then select the add-in (Redmine Outlook Add-in).
To uninstall the add-in, select Uninstall.
Follow the directions on the screen.