It would come from one of their real domains, perhaps @nortonlifelock.com. Tip: Some scammers will try to get tricky by using a domain that LOOKS like it could be legitimate, such as @n0rtonlifel0ck.com. The letter "o" has been changed to the number 0, but at a glance you might not notice.

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A phishing email is an email that appears legitimate but is actually an attempt to get your personal information or steal your money. Some deceptive emails appear to be from a safe sender but, in fact, have a "spoofed" source address to fool you. Here are some ways to deal with phishing and spoofing scams in Outlook.com. Spoof intelligence in Exchange Online Protection helps prevent phishing ...

Verify your Outlook.com account to prove that you're a human and not an automated program that sends spam.

Microsoft Authenticator helps you sign in to your accounts if you've forgotten your password, use two-step verification or multi-factor authentication, or have gone passwordless on your account.

That link will take you to either to Outlook on the web if you're a Microsoft 365 subscriber, or you'll be prompted to get a one-time passcode to read the message in a browser window.

If the file is not shared on a network or if you are certain that no one is currently editing it, then an instance of the Office app with the file open might be running in the background.

To report an email as phishing or junk: Select the email you want to report. Tap ⋮ at the top right of the screen. Select Report Junk from the dropdown menu. Select Junk, Phishing, or Block Sender as needed.

Select one of the following options to open the Feedback Hub: Right-click the IME options icon in the system tray area of the taskbar and then select Send Feedback.

Select the check mark, right-click it, and make your desired changes by using the floating toolbar: More check marks to choose from Another font, Segoe UI Symbol, has three checkmark options. You can opt for this font in step 3 of the procedure above, and you can substitute one of the following character codes in step 4.