There may be occasions where you need to move your Tasks from one To Do List to another. Much like when you are inserting a new Task or changing the order of the Tasks, you can click on the Task and drag it to its new location. All you need to do is click on the Task and while holding the mouse button down, drag your Task to your To Do Lists in the Navigator. Once your Task is hovering over the To Do List you want to move it to, then you can release your mouse button. Your Task will then be in a different To Do List.
To move your Tasks by clicking and dragging, please follow the steps in the image below: