Microsoft has announced the impending cessation of support for IE Mode in the Edge browser, urging organizations to begin their migration strategies. Initially set to be supported until the end of 2029, Microsoft is emphasizing proactive planning for transitioning away from legacy systems. A communication from Microsoft highlighted the importance of providing a year’s notice before the end of support for IE Mode, which is crucial for IT administrators managing legacy applications. IE Mode uses the Chromium engine while allowing access to web pages through Internet Explorer 11's Trident engine. Organizations still dependent on IE Mode need to evaluate their IT infrastructure and identify critical applications that require updates or replacements. Microsoft is offering its App Assure service to help eligible customers improve compatibility with modern Windows platforms. Early planning is essential to reduce migration risks and maintain operational efficiency.