Since modern browsers do not natively support ActiveX, you must configure Edge to emulate Internet Explorer for specific sites.
ActiveX was a massive security risk. Unlike modern web standards (like HTML5 or JavaScript), ActiveX controls had deep access to your computer's operating system. If a malicious website tricked you into installing a bad ActiveX control, it could take over your PC, steal files, or install ransomware. install activex windows 11
If IE Mode doesn't work (often the case if the website tries to install a .cab or .ocx file), you might be forced to use the actual Internet Explorer engine. Since modern browsers do not natively support ActiveX,
: Set "Download signed ActiveX controls" to Prompt and "Run ActiveX controls and plug-ins" to Enable . Enabling ActiveX in Microsoft 365 and Office How To Enable ActiveX in Windows 11 - 2026 If a malicious website tricked you into installing
Installing or enabling ActiveX on is no longer as simple as a direct download. Since ActiveX is a legacy technology primarily tied to Internet Explorer (IE)—which has been retired in Windows 11—users must use specific compatibility modes or system settings to get these controls running. How to Install and Enable ActiveX via Microsoft Edge