1-888-459-7718 The most common way to cancel Norton 360 is through your online Norton account. Start by visiting the official Norton website and signing in with your registered email and password. Once logged in, go to the “My Subscriptions” or “Billing” section where all your active plans are listed. Select Norton 360 and click on the option that says “Cancel Renewal” or “Turn Off Auto-Renewal.” If you are unsure what to click, you can always call 1-888-459-7718 for live guidance. After you choose to cancel, Norton may show you special offers or discounts to keep your service active. You can decline these and continue with the cancellation steps. Make sure you receive a confirmation message or email after finishing.