AppDomain element

Specifies additional domains that load pages in the add-in window. It also lists trusted domains from which Office.js API calls can be made from IFrames within the add-in.

Add-in type: Content, Task pane, Mail




  1. The value of the AppDomain element must include the protocol (e.g., <AppDomain>https://myappdomain</AppDomain>).
  2. Do not put a closing slash, "/", on the value.

Contained in



AppDomain elements should be used to specify any additional domains other than the one specified in the SourceLocation element. For more information, see Office Add-ins XML manifest.