Subscribing to a Task List
In the Tasks area, the first tab is always a tab for the current user. It lists task lists subscribed to by the user. Users should always subscribe to their inbox, and can also subscribe to shared task lists. You can only subscribe to task lists in the Main tab. You cannot subscribe to Repeating Task Lists (Legacy).
To subscribe to a task list:
The task list will appear in the for User tab, and all nested lists and tasks will also show.
To unsubscribe from a task list: