How can I convert a task to a subtask and vice-versa?

How can I convert a task to a subtask and vice-versa?

Make a Subtask into a Task

  1. Hover over a subtask and click on the reorder icon .
  2. Drag and drop the subtask outside its parent task. The subtask is converted to a parent task.

Make a Task into a Subtask

  1. Hover over a task and click on the reorder icon .
  2. Drag and drop the task over another task in the Classic view. The task is converted to a subtask.