You should make sure to merge Outlook Tasks and Microsoft To Do before Microsoft gets rid of the older app in favor of pushing the new.

One of the issues that a few users have reported is that Microsoft To-Do doesn’t sync, which is why we have this guide to help you fix it. Microsoft To-Do is an intelligent to-do list that makes it ...

If the Outlook To Do list is not showing or working, use the following fixes: Re-pin the To Do shortcut in the Navigation bar Open To Do list in a new window Clear the Outlook cache Repair Office Use ...