А тут вон чего пишут https://help.dnevnik.ru/hc/ru/articles/203475888-%D0%A1%D1%80%D0%B5%D0%B4%D0%BD%D0%B5%D0%B2%D0%B7%D0%B2%D0%B5%D1%88%D0%B5%D0%BD%D0%BD%D1%8B%D0%B9-%D0%B1%D0%B0%D0%BB%D0%BB-%D0%A7%D1%82%D0%BE-%D1%8D%D1%82%D0%BE-%D0%B8-%D0%BA%D0%B0%D0%BA-%D0%BD%D0%B0%D1%81%D1%82%D1%80%D0%BE%D0%B8%D1%82%D1%8C-