Digital operational excellence (DOX) is a critical imperative in digital transformation, replacing traditional thinking around organization efficiency. Three key elements underpin DOX: agility, customer-driven innovation, and orchestrating internal and external capabilities. But adopting "digital everywhere" won't instantaneously bring these three elements to fruition. Under what Forrester calls DOX architecture, enterprise architecture (EA) professionals should adopt new practices to drive these elements. This report identifies these new practices.