title: Office.context.ui.messageParent not working in Chrome and Firefox
body: <p>For <strong>Chrome 84.0.4147.89</strong> and <strong>Firefox 78.0.2</strong> the <code>Office.context.ui.messageParent</code> method no longer works. It still works in Outlook for Mac.</p>
  <p>We noticed this problem only a few days ago.</p>