iPhoneでタスクからプロジェクトに変更する方法はありますか？
よろしくお願いします。
Thank you for your question!
Sure, you may turn a task into a project: Long click a task and you'll see 'Convert to project' at the bottom, click it, then you'll find the task selected turned to a project and you may add tasks under it.
If any more questions, please feel free to tell us.
Have a nice day!