Outlook desktop client - showing multiple months of calendar in To-Do bar "In the old days" you could show as many months of calendar in the to-do bar space as the width would allow. As you dragged the width wider, more months would fill in. Apr 19, 2017 · Microsoft To-Do is built on Office 365, which in coming months will enable the product to be even more useful in more places. Our first integration with Outlook makes it easy to stay on top of your Outlook Tasks from anywhere. It will automatically sync your Tasks with Microsoft To-Do, and allow you to access and manage them across devices. By Wallace Wang . Marking off completed tasks in Outlook 2013 (or on any to-do list) is even more fun than entering them, and it’s much easier. If you can see the task you want to mark complete in either the To-Do bar or your Task list, just right-click the item and choose Mark Complete. May 19, 2019 · Note 1 In this registry path, x.0 represents the version of Outlook (16.0 = Outlook 2016, Outlook 2019 or Outlook for Office 365, 15.0 = Outlook 2013, 14.0 = Outlook 2010, 12.0 = Outlook 2007, and 11.0 = Outlook 2003) Note 2 If the option to display reminders is being managed by Group Policy, the registry key path is slightly different.