Office.js web WORD add-in: window.open() method is not working with “about:blank” URL

Question

Summary:

window.Open(\'\') or window.Open(\'about:blank\') works with JavaScript in a normal html file as can be tested he

Answer 1

We are blocking those calls at the sandbox level, i strongly recommend you to use the ShowDialog API as suggested here Is there any Office.js API to get user input