1) Duplicating a Tasklist
To duplicate a tasklist, click on the More actions icon at the top right corner of a tasklist.
Select Duplicate. This will create a copy of the tasklist along with all the tasks inside it.
2) Moving a Tasklist
To move a tasklist, click on the More actions icon at the top right corner of a tasklist.
Select Move.
Specify the name of the Project where you’d like to move the tasklist.
Click on Move Tasklist.
3) Deleting a Tasklist
To delete a tasklist, click on the More actions icon at the top right corner of a tasklist.
Select Delete List.
A dialog box will appear to ask for your confirmation. Click on Yes to permanently delete the tasklist.