Add a checklist of tasks (smartphone/tablet) Select the Check List tab Input the check list and tap Register The status of the checklist can be changed from "✓" to "✗" to "-" to "□" by tapping the "□" on the left side. Related articles Delete a task's checklist (smartphone/tablet) Adding a Memo to a task (smartphone/tablet) Manage checklist templates Add information about the task. (Information, Memos, Checklist)(PC) Add Notes to your Checklist (PC/smartphone/tablet)