When To-Do list is not needed anymore, it is possible to archive it. Archived To-Do list can be restored anytime, including the entire history. Feature Archive is available for each To-Do list. In case you want to delete a To-Do list you have to archive it first.
Archive To-Do list
Every user invited to a project with an access to To-Do list can archive it. Go to project detail and via three-dot menu next to the To-Do list name find the last option Archive To-Do list.
Right after archiving a To-Do list you can undo the action via orange notice at the bottom > click here.
How to restore archived To-Do list
All the archived To-Do list are at the end of To-Do list section under a title Archived To-Do lists. You can restore the list anytime and all the details maintain.
Click the To-Do list name. You can check all the tasks and also decide whether you want to restore or delete the To-Do list.
Delete To-Do list
Only archived To-Do list can be deleted. After the archiving To-Do list it can be restored or deleted definitely.
First archive the To-Do list as described above. Then go to the section Archived To-Do lists and click the To-Do list name. In the red upper row click on delete it permanently.
In the following window confirm the action via Delete or Cancel.
Time to time you can check all the deleted items such as tasks, projects, To-Do lists or notes.