Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
It's possible this has been said, you'll forgive me for not going through 65 other comments.
As insane as this is, I've found a workaround. Set up your child's account using a Gmail address which is connected to your own via Family Link. This way, even if everyone forgets everything, you can reset the Gmail account through Google's *gasp * allowing the parent to reset their kids' passwords. Then you can have Microsoft e-mail the password reset to Gmail.