Letter volumes in Denmark dropped with 75 percent between 2000 and 2016, whereas Sweden’s declined with 34 percent. We make a comparative analysis of Denmark and Sweden by analyzing the effects of digitalization and the strategies from the common USO-provider Postnord. Denmark had a national digitalization strategy already from 2001 and a law in 2012 required everybody to have a digital mailbox. In response to falling demand, prices were increased sharply and service reduced. Sweden has a fragmented market for digital messages and with large postal volumes, competitive prices, a well-functioning market for second class mail and better ability to adjust costs, digital substitution was limited.