Accessing window.open popup from excel online task pane
问题 I am currently debugging some code that was done by past developers. We are using the below code to open a new window to authenticate the user (oAuth2 Flow). var oAuth2Window = window.open(_embeddedStartUrl, "Authentication", "location=0,status=0,scrollbars=1,resizable=1,height=600,width=450"); After the user logs in successfully, it's trying to access some properties on oAuth2Window but I am getting: “Access is denied”. The host names are on different servers. This is currently happening in