An image forming apparatus includes a setting unit configured to set whether to use personal setting information stored for each user, and a reflection unit configured to reflect a setting value changed by an authenticated user to personal setting information of the authenticated user, in a case where using the personal setting information has been set by the setting unit, and to reflect the setting value changed by the authenticated user to common setting information shared by a plurality of users, in a case where not using the personal setting information has been set by the setting unit.