Using Classic Outlook on Windows for personal email, calendar, and contact management
This is a phishing email; do not click its link or accept its supposed terms, and your MSN mailbox will not be deleted on October 31 because of this message.
The wording closely matches a documented phishing campaign claiming that “old” Outlook mail must be upgraded through an email link to prevent account termination.^1^ “New security signal” is not something you need to activate from this email. The urgent deadline, threat of permanent deletion, and request to follow a link are standard phishing warning signs.^2^
What to do now
- Do not click any link, open an attachment, reply, or call a number in the message.
- In Outlook, select the message and choose Report > Report phishing from the ribbon. This reports it to Microsoft and removes it from the Inbox.^3^
- Delete the message if it remains.
- Optionally block the sender. Reporting phishing does not automatically block future mail from that address.^4^
The visible sender name is not proof of origin because phishing messages can spoof Microsoft-looking names or addresses. Microsoft documents @accountprotection.microsoft.com as its trusted domain for Microsoft-account security notifications; even then, check that the message concerns an action you actually requested.^5^
Check the account safely
If you want reassurance, do not use anything in the email. Open a new browser window, manually go to the Microsoft account Security basics page, and select Review activity. The Recent activity page shows sign-in activity from the last 30 days.^6^
- If all activity is yours, no additional account action is required.
- For an unfamiliar item under Unusual activity, expand it and select This wasn’t me.
- For suspicious activity under Recent activity, select Secure your account.
- Change the password if there is evidence that somebody accessed the account.^7^
If you already used the email’s link
If you only opened the email and did not select its link or provide information, reporting and deleting it is sufficient.
If you entered your Microsoft password:
- Open Microsoft account Security basics directly in a fresh browser window.
- Change the password immediately.
- Review recent activity and mark anything unfamiliar.
- Review your security information and enable two-step verification.
- If a file was downloaded or opened, run a full antivirus scan.
If you entered payment or medical information, also contact the relevant bank, card issuer, or medical provider through its official website or published phone number—not through details in the email.
References
- I received an email about updating your Terms of Service, Security Policy, and Privacy Policy. - Microsoft Q&A
- Protect yourself from online scams and attacks | Microsoft Support
- Protect yourself from phishing
- Phishing and suspicious behavior in Outlook | Microsoft Support
- Can I trust email from the Microsoft account team? | Microsoft Support
- Check the recent sign-in activity for your Microsoft account
- What happens if there's an unusual sign-in to your account | Microsoft Support