A new way to check off your to-dos—Tasks in Teams are coming soon!

Kreera_House.... you also make a valid point - moving often breaks links in Microsoft (this article talks of https://support.microsoft.com/en-gb/help/328440/description-of-link-management-and-storage-in-excel).

I guess my point is that the real power of To-Do comes from creating a structured hierarchy (with the use of accounts, groups, lists, tasks and steps) rather than a single root task list (which is not much different than the single red-flagged email list in Outlook).

I probably want to have my cake and eat it  - In other words, it would be ideal if OneNote structure is created to map roles, programmes, projects, etc. and a similar structure can be mapped in my Next Action list in MS To-Do.

I would say however, that this is the closest (largely excellent) match to GTD I've seen from Microsoft daily PIM tools.