It suffered a considerable decline, both spiritual and financial, in the period of the Protestant Reformation, and for a time passed into private ownership.
On Easter Sunday 1699, a disastrous fire plunged the abbey once again into financial difficulties and from 1720 its management was in the hands of administrators.
In 1786, Engelszell was dissolved by Emperor Joseph II and the buildings were subsequently put to several secular uses, including as a factory and as a residence.
In 1925, Engelszell was occupied and re-founded as a Trappist monastery by refugee German monks expelled after World War I from Oelenberg Abbey in Alsace.
They were augmented, however, by the refugee German Trappists expelled from Mariastern Abbey, Banja Luka, Bosnia, under their abbot Bonaventura Diamant.
Nivard, a Belgian Pale Ale; Benno, a dopplebock and Gregorius, a Tripelbock made with local honey.