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Advanced15 min6 / 6

Professional email and security: etiquette, phishing and 2FA

Learn to write a clearly structured professional email, spot phishing by its warning signs, report it and protect your account with two-factor authentication.

Check yourself
In this lesson you will learn
  • Write a professional email with a clear subject line and structure
  • Recognize the signs of a phishing email and report it in Outlook
  • Protect your account with two-factor authentication and good password habits

In the morning Aysel receives two emails. The first is from a client asking when she will send the report. The second is from “Microsoft 365”: “Your password expires today! Click here now to keep your account.” The first needs a professional reply; the second needs to be recognized and made harmless. This lesson teaches both skills.

The structure of a professional email

A good work email can be read in 30 seconds, and the reader knows right away what to do. The main point goes in the first sentence; the request and deadline get a line of their own. You can use the template below for any work email.

PartExample
SubjectMarch delivery report — approval by 15 April
GreetingDear Mr Guliyev,
Purpose (1 sentence)I'm sending you the delivery report for March.
DetailsA short list: 42 deliveries, 2 delays, reasons on page 3.
Request and deadlinePlease approve the report or send your comments by 15 April.
Closing and signatureKind regards,
Aysel Huseynova
Project Manager, Khazar Tech
A professional email template: every part has its job.
  • Make the subject specific: not “Question” or “Important!”, but “Exhibition budget: approve 3 changes by 20 May”.
  • One email, one topic. Start a new message for a new topic so it can be found in search.
  • DON'T WRITE IN CAPITALS — it reads as shouting. Use the high-importance mark rarely, too.
  • Check before sending: recipients, attachment, spelling of names. When you're upset, leave the message in Drafts and reread it later.

How to recognize phishing

Definition
Phishing

A fake message that pretends to come from a well-known company, a bank or a colleague. Its goal is to steal passwords or card details, or to install malware on your computer.

  • The real sender address doesn't match the name: the name says “Microsoft 365”, but the address is security@micros0ft-support.com (a zero instead of an o).
  • Urgency and threats: “within 24 hours”, “your account will be closed”, “final warning”.
  • A request for a password, code or payment. Real companies and your IT department never ask for your password by email.
  • The link text and its real address differ. The text says account.microsoft.com, but hovering over it reveals a completely different address.
  • An unexpected attachment: an “invoice.zip”, an .html file or an Office document that asks you to enable macros.
Analysing a suspicious email

From: Microsoft 365 <security@micros0ft-support.com>. Text: “Dear user! Your password expires today. Click here within 2 hours to keep your account.” How many warning signs are there?

Show solution
1. The address is fake: micros0ft has a zero instead of the letter o, and the domain doesn't belong to Microsoft.
2. A generic greeting: “Dear user” instead of your name.
3. Urgency: “within 2 hours”.
4. A demand to click a password-related link.
Result: 4 signs — this is phishing. Don't click; report it and delete it.

What to do: report and protect

  1. 1
    Report the phishing

    Select the message and choose Home › Report › Report phishing. The message is sent to Microsoft (and, on a work account, to your organization's security team) and removed from your mailbox. For ordinary spam, choose Report junk.

  2. 2
    Verify through another channel

    If the “director” asks for an urgent payment, don't reply to the email — call them on a number you know or message them in Teams.

  3. 3
    If you clicked, act fast

    Change your password right away on the official site and tell your IT department. The sooner you tell them, the less damage — there is nothing to be ashamed of.

Definition
Two-factor authentication (2FA)

Signing in requires a second proof besides the password: a code sent to your phone or an approval in the Microsoft Authenticator app. Even if your password is stolen, a thief can't get in without your phone.

Key points

  • A professional email: a specific subject, greeting, purpose in one sentence, short details, a request with a deadline, a signature.
  • Phishing signs: a fake address, urgency, a request for a password or money, a mismatched link, an unexpected attachment.
  • Before clicking a link, hover over it and look at the real address.
  • Report a suspicious message with Home › Report › Report phishing; if you clicked, change your password and tell IT.
  • 2FA protects your account even if your password is stolen; never share your password or codes.

Check yourself

10 questions. Every correct answer earns XP.

1 / 10
Which subject line is the most professional?