Opening PDF documents in SharePoint 2013 (Word Web App vs. default PDF reader)
When using OWA (Office Web Apps) in SharePoint 2013 along with PDF Previews in the Search Result, PDF documents will always open in Word Web App.
These were the top 10 stories published by Markus' Blog in 2014. You can also dive into monthly archives for 2014 by using the calendar at the top of this page.