Microsoft said in a blog post, “The previous default setting, ‘Prompt me before enabling all controls with minimal restrictions,’ allowed you to enable potentially dangerous ActiveX controls ...

Microsoft will disable ActiveX controls by default in the Office suite, starting in October with the release of Office 2024. ... However, it is not supported by Microsoft’s latest Edge browser.

Microsoft Defender Application Guard offers protection against malicious applications in your browser. Learn how to install and activate it on Windows 10.

Redmond will start by turning off ActiveX controls in documents opened in Win32 Office desktop apps in October 2024, a change that will also roll out to Microsoft 365 apps in April 2025.