Formal emails require polish, professionalism, and careful construction. Whether you’re writing to a client, a superior, or someone you’ve never met, the way you structure and phrase your message shapes how you’re perceived.
In our experience reviewing thousands of professional emails, the difference between effective formal communication and awkward attempts often comes down to a few key principles: clear structure, appropriate tone, and deliberate word choice.
This guide covers when formal emails are necessary, what makes an email formal, and how to write one that achieves your goals. We’ve included three real-world examples you can adapt for common situations.
Summary: Write formal emails when addressing superiors, clients, or strangers. Use a clear subject line, proper greeting with titles, concise body text, professional closing, and complete signature. Avoid contractions, slang, and jokes. Proofread everything before sending.
Key Terms
Formal email: A professionally structured message using proper grammar, titles, and business-appropriate language.
Salutation: The greeting that opens an email, such as “Dear Mr. Smith” or “Hello Dr. Johnson.”
Email signature: The standardized block of contact information and closing that appears at the end of your messages.
Tone: The attitude conveyed through word choice and phrasing—ranging from casual to formal.
Closing: The phrase that ends the email body before your signature, such as “Sincerely” or “Best regards.”
When Should You Write a Formal Email?
Use formal emails when writing to superiors, clients, prospects, strangers, or large groups. Also use them for announcements, apologies, and important requests.
Three factors determine whether a situation requires formality: your audience, the image you want to project, and the purpose of your message.
Audience. Writing to a superior, client, prospect, or someone you don’t know typically requires formality. Large groups also warrant a more formal approach. Colleagues you work with daily may not need the same treatment.
Character. Consider what image you’re presenting. Writing as the voice of your company almost always requires formality. Writing as yourself gives more flexibility—but if you want to be taken seriously, err toward formal.
Reason for the email. Big requests, apologies, announcements, and introductions demand formality. Sharing a link with a friend or continuing a casual thread does not. For more guidance on timing your emails, see our dedicated guide.
When uncertain, choose formality. A formal email that didn’t need to be formal costs nothing. A casual email when formality was expected damages your credibility.
What Makes an Email Formal?
Formal emails have three distinguishing characteristics: rigid structure, professional tone, and deliberate word choice.
How Does Structure Affect Formality?
Answer: Formal emails follow predictable patterns—proper greetings, organized content, clear closings—that signal professionalism.
Formal emails follow established conventions. They use standard email greetings, proper closings, and logical organization. They don’t meander or go on too long. When you zoom out, they look clean and easy to follow.
How Does Tone Affect Formality?
Answer: Tone conveys attitude through phrasing. Compare “I am pleased with your performance” to casual alternatives—the difference is immediately apparent.
Subtle differences in presentation change the entire feeling of your message. Professional tone maintains appropriate distance, avoids humor unless certain it’s welcome, and treats the reader with respect.
How Does Word Choice Affect Formality?
Answer: Eliminating contractions, slang, and casual expressions instantly makes emails more formal.
Write “I am” instead of “I’m.” Write “cannot” instead of “can’t.” Avoid slang entirely. You don’t need bigger words—you need deliberate, specific word choices that convey precision and care.
What Are the Five Elements of a Formal Email?
Every formal email contains five elements: subject line, greeting, body, closing, and signature. Each requires attention to maintain professionalism.
1. How Should You Write a Formal Subject Line?
Answer: Keep it simple, concise, and descriptive. Never leave it blank. Avoid jokes or experimental formats.
Your subject line sets expectations. If your email concerns Q4 earnings, use “Q4 Earnings Report” or something similarly direct. Don’t add unnecessary words, and make the topic immediately obvious.
For proven approaches, see our guide on subject lines that actually work.
2. How Should You Greet Someone in a Formal Email?
Answer: Use the recipient’s title and last name. “Dear Mr. Gates” conveys formality far better than “Hey Bill!”
Standard greeting words include “Dear,” “Hello,” and “Good morning.” The key is using titles appropriately—especially when you don’t know the recipient well. Avoid overly friendly or joking greetings in formal contexts.
3. How Should You Structure a Formal Email Body?
Answer: Keep it concise—a few sentences when possible. Use bullet points or numbered lists for complex information.
The body is where your message lives. Write in direct, concise sentences. Separate paragraphs for readability. When recapping multiple items, structured formats like bullet points keep things organized.
Tools like Grammarly can help catch errors before sending.
4. How Should You Close a Formal Email?
Answer: Summarize briefly and indicate next steps. Phrases like “Please let me know” or “I look forward to speaking with you” work well.
Your closing ties the message together. One or two sentences should summarize the email’s purpose or clarify what happens next. Keep it concise—don’t introduce new topics in the closing.
5. What Should a Formal Email Signature Include?
Answer: Use a closing phrase like “Sincerely” or “Best regards,” followed by your full name and contact information.
If you’ve already created a professional signature, it will apply automatically. Otherwise, include a formal closing phrase and your complete name. Titles, phone numbers, and company information may also be appropriate.
What Are Five Additional Tips for Writing Formal Emails?
Beyond structure and content, check your sending info, stay on one topic, use appropriate fonts, structure content for readability, and proofread thoroughly.
1. Why Should You Check Your Sending Information?
Answer: Recipients see your email address and display name before reading your message. Unprofessional details undermine everything else.
Before drafting, verify you’re sending from a professional email address. Check that any associated name or profile photo looks appropriate. A careless detail here can undo your careful writing.
2. Why Should You Stick to One Topic Per Email?
Answer: Formal emails should focus on a single subject. Multiple topics belong in separate messages.
Casual emails can wander across subjects. Formal emails cannot. Choose one topic and stay on it. If another topic comes to mind, draft a separate message rather than diluting your focus.
3. What Font Should You Use in Formal Emails?
Answer: Use your email platform’s default font—typically Calibri, Arial, or Times New Roman. Avoid decorative fonts entirely.
Formal emails are not the place for creative font choices. Standard, readable fonts signal professionalism. Check your font before sending to ensure it displays correctly.
4. How Should You Structure Content for Readability?
Answer: Use short paragraphs, white space between sections, and formatting like bullet points or bold text when appropriate.
Even perfectly written content fails if it’s difficult to read. Separate paragraphs visually. Use bullet points for lists. Apply bold or italics sparingly to emphasize key information.
5. Why Is Proofreading Essential for Formal Emails?
Answer: A single typo—especially in a name or key detail—can undermine your entire message’s professionalism.
Read your email carefully before sending. Check for grammar, spelling, and syntax errors. Double-check the recipient’s name spelling. For important messages, have someone else review it before you hit send.
What Are Examples of Formal Emails?
These three examples demonstrate formal email structure for common business situations: handling a client issue, making a team announcement, and following up with a prospect.
Example 1: Handling a Client Issue
Subject: Our apologies on your recent order
Dear Mr. Blankenship,
I am very sorry to hear about the delay in your order, and I empathize with your frustration. I am following up with our team now to see if there is any way we can expedite the process. I am also making efforts to ensure this situation never happens again.
In the meantime, I am prepared to offer you a partial refund on your order, and a discount of 15 percent off your next purchase with us.
Please accept my apologies and let me know if there is anything else I can do for you.
Sincerely,
[Your name]
Why this works: The email acknowledges the problem immediately, takes responsibility, offers concrete solutions, and maintains professional tone throughout. No contractions are used. The closing invites further communication.
Example 2: Making a Team Announcement
Subject: Q3 sales: We did it!
Hello all,
I am pleased to announce that we have achieved our quarterly goal of reaching $500,000 in sales. Congratulations are in order.
I am impressed with the extra work you have all put in to make this happen. You will each be receiving a bonus proportional to the sales you have achieved; we are currently discussing the specifics.
Look forward to hearing from us soon, and keep up the great work!
Thank you,
[Your name]
Why this works: The subject line is celebratory but clear. The body delivers news, acknowledges team effort, previews next steps (bonuses), and closes with appreciation. Formal tone is maintained even while celebrating.
Example 3: Following Up with a Prospect
Subject: Following up
Good morning Mrs. Reid,
We met at the Young Entrepreneurs meetup a few weeks ago, and I wanted to follow up with you. You expressed interest in seeing a demo of our product, which can help you work 25 percent more efficiently.
Are you free this Wednesday for a 30-minute call? Let me know!
Best regards,
[Your name]
Why this works: The email provides context (where you met), recalls their interest, restates the value proposition, and makes a specific ask. It’s concise while maintaining formality appropriate for a business prospect.
For more guidance on professional email communication, see our comprehensive guide on how to write a professional email.
Frequently Asked Questions
What is the difference between a formal and informal email?
Formal emails use proper greetings with titles, avoid contractions and slang, follow rigid structure, and maintain professional tone throughout. Informal emails can use first names, casual language, and flexible formatting. The choice depends on your relationship with the recipient and the purpose of your message.
How do you start a formal email to someone you don’t know?
Use “Dear Mr./Ms./Dr. [Last Name]” when you know the recipient’s name. If you don’t know their name, use “Dear Sir or Madam” or “Dear Hiring Manager” (if applicable). Avoid “To Whom It May Concern” when possible—it signals you didn’t try to find the right person.
What words should you avoid in formal emails?
Avoid contractions (I’m, don’t, can’t), slang terms, emoji, exclamation points (use sparingly if at all), overly casual greetings (Hey, Hi there), and filler phrases (Just wanted to, I was wondering if). Replace them with their formal equivalents or remove them entirely.
How long should a formal email be?
Keep formal emails as short as possible while conveying necessary information—typically 3-5 short paragraphs. If you need to share extensive details, summarize the key points in the email and attach supporting documents. Readers skim long emails, so front-load important information.
What is the best closing for a formal email?
Standard formal closings include “Sincerely,” “Best regards,” “Respectfully,” and “Thank you.” “Kind regards” and “Warm regards” are slightly less formal but still appropriate for most business contexts. Avoid “Cheers,” “Thanks!” or “Best” in highly formal situations.
Should you use “Dear” or “Hello” in a formal email?
“Dear” is more formal and appropriate for first contact, important requests, or communication with senior executives. “Hello” is acceptable in most business contexts and works well when you have an established relationship. For maximum formality, use “Dear [Title] [Last Name].”
How do you write a formal email asking for something?
State your request clearly in the first paragraph after the greeting. Provide brief context explaining why you’re asking. Be specific about what you need and any relevant deadlines. Thank the recipient in advance and offer to provide additional information. Close by indicating how you’ll follow up.
Jayson is a long-time columnist for Forbes, Entrepreneur, BusinessInsider, Inc.com, and various other major media publications, where he has authored over 1,000 articles since 2012, covering technology, marketing, and entrepreneurship. He keynoted the 2013 MarketingProfs University, and won the “Entrepreneur Blogger of the Year” award in 2015 from the Oxford Center for Entrepreneurs. In 2010, he founded a marketing agency that appeared on the Inc. 5000 before selling it in January of 2019, and he is now the CEO of EmailAnalytics and OutreachBloom.
