The National Office for Evangelisation has been given an mandate to assist and support the Australian Bishops in their work of promoting and developing works of evangelisation, with sensitivity to the great diversity of cultures and environments present across Australia, and giving special attention to Catholics who are not connected with the life of the Church.

The Office also seeks to raise the profile of evangelisation amongst the faithful, inviting Catholics to share in the joyous task of sharing the Good News with all humanity, especially promoting such in families, workplaces, parishes and schools, and through the media.