This anthology presents research findings from the cross-university collaborative project 'WM3 Continuing Education in Central Hesse' on key success factors in academic continuing education and derives optimization potentials at various didactic levels. The simultaneous presentation of results reveals added value in knowledge production, which can be thematically consolidated in the specifics of target groups, in the quality assurance of offerings, in the need for higher education professional development, as well as in the matching of all target groups and didactic levels through cooperation and communication.