Microsoft has been trying to get more users onto New Outlook for Windows, and it is doing so not just by enforcing the newer app but also by making improvements along the way . In doing so, though, the company has caused the Classic Outlook app to bug out in the past . The classic app received a major Shared Calendar related upgrade recently, with many long awaited improvements as well as small changes in form and function. As the name suggests, the Outlook Shared Calendar essentially allows
