 <p>As other folks have mentioned, Java, ActiveX, Silverlight, Browser Helper Objects (BHOs) and other plugins are not supported in Microsoft Edge. Most modern browsers are moving away from plugins and toward standard HTML5 controls and technologies. </p> <p>If you must continue to use the Java plugin in a corporate web app, consider adding the site to an <a href="https://technet.microsoft.com/en-us/library/mt270205.aspx">Enterprise Mode site list</a>. This will automatically prompt the user to open in IE.</p>