Should I allow users to edit their age?

1. Can you change your age on Microsoft account?
2. How do I change my child's age on my Microsoft account?

Can you change your age on Microsoft account?

Sign in to Your info on the Microsoft account website. Select Edit your personal info. Change your birthdate, and select Save.

How do I change my child's age on my Microsoft account?

Using the adult Microsoft account, sign in to your account on family.microsoft.com. Choose the family member, select then Manage consent. In the Manage permissions page of the child's account you want to change, at the right, select Edit this child's personal info and then follow the instructions.