To protect your browser preferences, security, and privacy, Microsoft Edge automatically disables extensions that attempt to modify your default settings without permission.

Learn how to manage extension permissions, control which websites extensions can access, and limit extension access to specific sites or all sites. This article also covers how to change, review and manage extension site permissions to improve browser security, privacy, and performance in Microsoft Edge.

The developer mode extension notification in Microsoft Edge helps protect you from security and privacy risks when using browser extensions. This feature alerts you about unverified or potentially unsafe extensions, helping keep you safe from malicious or bad actors.

Extensions, or add-ons, are simple tools that customize your browser experience and offer you more control. Here's how to add, turn off, and remove them in Microsoft Edge .

Trusted documents are files that have been marked as trusted by enabling active content in them. Active content (macros, ActiveX controls, data connections, and so on) opens without the Message Bar warning after you mark the file as trusted.

Privacy Extensions: Install privacy-focused extensions that offer features like tracker blocking, script blocking, and cookie management. For more information, see how to add, turn off or remove extensions in Microsoft Edge.

For a list of the unsafe file name extensions, see this Office support page. The following list describes how Outlook behaves when you receive or send an unsafe file attachment:

Select the Extensions icon (the puzzle piece icon) next to the address bar and then select Manage Extensions. Try disabling extensions you feel might be changing the appearance of websites individually to identify the extension causing the problem.

There are a few different ways to do it, depending on your situation. In most cases you can unblock an XLL by modifying the properties of the file as follows: Open Windows File Explorer and go to the folder where you saved the file. Right-click the file and choose Properties from the context menu.

Enhanced security in Microsoft Edge helps safeguard against memory-related vulnerabilities by disabling just-in-time (JIT) JavaScript compilation and enabling additional operating system protections for the browser. These protections include Hardware-enforced Stack Protection and Arbitrary Code Guard (ACG).