If you have an existing application that uses the InternetExplorer object to automate Internet Explorer 11, but the Internet Explorer 11 desktop application isn't available, your application won't work. IE mode remains unavailable until you close and restart Microsoft Edge. The IE mode indicator icon doesn't appear in the address bar. Parts of the webpages that rely on Internet Explorer 11, such as ActiveX controls, might not render correctly. The website (or app) content renders using Chromium, not Internet Explorer 11. You can still navigate to websites (or apps) that are otherwise displayed in IE mode. start msedge -remote-debugging-port=9222Īfter you launch Microsoft Edge using a command-line argument, IE mode is unavailable. The following command launches Microsoft Edge with the remote debugging port set to 9222. Microsoft Visual Studio, Microsoft Visual Studio Code, and other development tools typically run a command to launch Microsoft Edge. Launch Microsoft Edge with remote debugging turned on from the command-line interface. In IEChooser, select the entry for the IE mode tab.Enter %systemroot%\system32\f12\IEChooser.exe, and then select OK.For example, press the Windows logo key + R. If Internet Explorer isn't available on your computer, to debug the content of an IE mode tab, use IEChooser to open Internet Explorer DevTools, as follows: