Microsoft reminds admins IE Mode in Edge ends by late 2029

Microsoft sent admins a reminder (MC1473151) that IE Mode in Edge will be retired by the end of 2029. The company will give at least one year's notice, but urges organizations to start migrating legacy apps now.

• IE Mode in Edge is supported "at least" until the end of 2029
• Microsoft will give at least one year's notice before shutdown
• IE Mode relies on the Trident (MSHTML) engine from Internet Explorer 11
• App Assure service is available to help with migration