How to set up To-Do emails?

PC_Mail：

Email details - More - Set as To-Do. If you adjust the width of the reading pane, the client will remember your width by default, and the To-Do will be expanded in the top bar. After setting up a To-Do, you can view To-Do emails in the To-Do folder, or add a reminder time in the schedule.

Mobile:

In the email details interface, click Set as To-Do in More at the lower right corner to set the To-Do date for this email.