# Automating legacy sites with Edge Chromium in IE compatibility mode

**URL:** <https://forum.robotframework.org/t/automating-legacy-sites-with-edge-chromium-in-ie-compatibility-mode/1548>\
**Category:** SeleniumLibrary\
**Created:** [28 March 2021 15:24 UTC](https://forum.robotframework.org/t/automating-legacy-sites-with-edge-chromium-in-ie-compatibility-mode/1548 "2021-03-28T15:24:10Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![ndbhamvani](https://dub1.discourse-cdn.com/flex005/user_avatar/forum.robotframework.org/ndbhamvani/32/697_2.png) [@ndbhamvani](https://forum.robotframework.org/u/ndbhamvani)\
**Post date:** [28 March 2021 15:24 UTC](https://forum.robotframework.org/t/automating-legacy-sites-with-edge-chromium-in-ie-compatibility-mode/1548/1 "2021-03-28T15:24:10Z")

</div>

While I can perform test automation of web applications in Edge Chromium using Selenium 4 and latest RobotFramework-SeleniumLibrary, legacy IE sites require Edge to be in IE compatibility mode.

I’m not sure how to enable this in Python Robot Framework?

Microsoft have stated how this is done in C# with vanilla Selenium Webdriver here:  
[https://blogs.windows.com/msedgedev/2019/11/04/edge-chromium-release-candidate-get-ready/](https://blogs.windows.com/msedgedev/2019/11/04/edge-chromium-release-candidate-get-ready/)