Enable Trend Micro Antivirus System Extension on Your Mac

After installing Trend Micro Antivirus, activating the system extension is crucial for full functionality and security. Here’s how you can enable it on your Mac.

What is a System Extension?

System Extensions allow apps like Trend Micro Antivirus to operate efficiently on macOS by enhancing functionality without needing deep system access.

Allow Trend Micro Extension on macOS 15 Sequoia

1. On the 'Antivirus for Mac Permission Setup' window, click the Open Login Items & Extensions button.
2. Scroll to Extensions > Endpoint Security Extensions, then click the (i) button.
3. Enable the Trend Micro Antivirus Extension by turning it ON.
4. Enter your Mac username and password, click OK, then click Done.
5. Find Network Extensions, click the (i) button, and turn on the Trend Micro extension.
6. Re-enter your credentials, click OK, and then click Allow when you see the pop-up.
7. Conclude by clicking the Verify button.

Allow Trend Micro Extension on macOS 13 Ventura and macOS 14 Sonoma

1. On the 'Antivirus for Mac Permission Setup' window, click the Open Privacy & Security button.
2. The 'Privacy & Security' window should open. Scroll down to 'Security', then click Details....
3. Enter your Mac username and password, and then click Unlock to allow changes.
4. Enable all Trend Micro Antivirus Extension items, then click OK.
5. When a popup appears, select Allow.
6. Click the Verify button once done.