Question: how to convert qvw into qvf?
Answer: Open Qlik Sense Desktop.
Open a Windows Explorer window to the file path of the . qvw you want to convert.
Drag and drop the . qvw file you want to convert into the Qlik Sense Desktop Window.
Qlik Sense (2. x. x+) will create *. qvf in the directory along side the *. qvw file and open that file in a new Qlik Sense tab.