Corptax 2020.3.1 HF3 will include a browser message for users opening Corptax web in Internet Explorer. The alert will be a small, red banner at the top of the browser page that states:
You're using Internet Explorer which is no longer supported by Corptax. Please switch to Google Chrome or the new Microsoft Edge browser.
Please work with your network teams to update your default browsers or manually select Chrome or Edge.