Question: how to open oxps file on iphone?
Answer: Step 1: Copy the URL to the XPS file you want to view. Navigate with Mobile Safari to the web page that has the link to the XPS file you want to view. ... 
Step 2: Download the XPS file in NiXPS View. Launch NiXPS View for iPhone, and hit the 'Download URL from Pasteboard' option. ... 
Step 3: View and Touch.