A professional email is not a longer WhatsApp message. It is a short document with one job: the reader should know who you are, what you want, and what to do next — in under a minute.
People search how to write an email, how to write an email professionally, and even how to write a email (the article is the same; the grammar is “an email”). The freeze is usually the same: blank subject line, then a wall of biography.
At KnowAnt, we treat formal email the way we treat message writing: one purpose, one ask, clean grammar. Use this how to write an email format. Draft a stiff first version in Write with AI if needed, then proof it with the grammar checker.
Quick Answer: How Do You Write a Professional Email?
| Part | Do this |
|---|---|
| Subject | Specific purpose (Internship inquiry — June 2026, not Hi) |
| Greeting | Use a name when you can; “Dear Sir/Madam” only as a last resort |
| Body | Who you are → what you want → what they should do next |
| Close | Thanks + full name + contact |
Keep it under a minute to read. For job pitches as a PDF attachment, also see how to write a cover letter. Soften stiff lines with the paraphrasing tool.
Table of Contents
- Quick Answer: How Do You Write a Professional Email?
- What Is a Professional Email?
- Professional Email Format (Subject, Greeting, Body, Close)
- How to Write an Email Subject Line
- How to Write an Email in Gmail
- How to Write Dates in Email
- Example Emails
- Common Mistakes
- Frequently Asked Questions
- Conclusion
What Is a Professional Email?
A professional email is a workplace or school message with a clear recipient, a specific request, and a polite close. It is used for how to write an email to a company, a professor, HR, or a hiring manager.
It is not a letter on letterhead, and it is not a cover letter attached as a PDF — though a job email often introduces that PDF. Keep each paragraph to one idea.
US, UK, and Indian workplaces all expect the same core: name, purpose, next step. Tone is slightly warmer in many Indian internship asks; UK and US corporate mail is often shorter.
Professional Email Format (Subject, Greeting, Body, Close)
Use this how to write an email format:
- Subject — 4–8 words that name the topic
- Greeting — Dear Ms Patel / Dear Hiring Manager / Hello Priya
- Opening line — who you are + why you are writing
- Body — 2–4 short paragraphs or bullets; one ask
- Close — thanks + availability
- Sign-off — Best regards / Kind regards / Sincerely
- Signature — full name, phone, city/timezone if relevant
Greeting tips: Use the name if you have it. “To whom it may concern” is a last resort. In India, “Respected Sir/Madam” still appears in school and some government mail; companies usually prefer “Dear [Name].”
Close: “Thanks,” is fine with a colleague. “Yours faithfully” is letter language; in email, “Kind regards” travels well across US/IN/GB.
How to Write an Email Subject Line
A good email subject line is a label, not a slogan.
| Weak | Strong |
|---|---|
| Hello | Application: Marketing Intern — June 2026 |
| Urgent | Invoice 4412 — payment query |
| Following up | Follow-up: interview Thursday 4 Sep |
Include role + your name for how to write an email for job application. Include student ID for university staff. Never ALL CAPS.
How to Write an Email in Gmail
How to write an email in Gmail is the same format, plus a few product habits:
- Turn on Undo send (Settings → General) so you can catch a missing attachment.
- Paste a signature (name, title, phone) once; do not type it new every time.
- Use Cc for people who need visibility, Bcc for a large announcement list.
- Attach the CV before you write the body so you do not send “please find attached” with nothing attached.
- Reply in the same thread; change the subject only if the topic truly changed.
Draft in KnowAnt if you need to paraphrase a stiff first version into plain English, then paste into Gmail.
How to Write Dates in Email
Dates in email are where US and UK/India formats collide. A subject that says Meeting 03/09/2026 looks like March 9 to an American reader and 3 September to a UK or Indian reader.
Rules that travel well:
- Prefer a month name in the body: September 3, 2026 (US) or 3 September 2026 (UK/India).
- In the subject, spell the month when the day is ≤12: Demo — 3 Sep 2026, not 03/09.
- Stay consistent with one convention in the same thread.
- For deadlines, add the weekday when it helps: Friday, September 4, 2026.
Full country-by-country guide: how to write the date. Draft the rest of the message in Write with AI, then keep the date line unambiguous.
Example Emails
1. Job application email
Subject: Application — Junior Data Analyst, Ref 8821
Dear Ms Chen,
I am applying for the Junior Data Analyst role posted on your careers page. I recently completed a BSc in Statistics and spent six months cleaning survey data for a campus research lab.
I have attached my resume and a one-page cover letter. I can start from 1 October 2026 and am available for a 20-minute call this week.
Kind regards,
Arjun Mehta
+91 98xxx xxxxx
2. Internship ask (India)
Subject: Internship enquiry — B.Tech CSE, 8-week summer 2027
Dear Hiring Team,
I am a third-year B.Tech (CSE) student at [College], looking for an 8-week summer internship in backend engineering. I have built two Node.js projects and completed a campus placement prep module on REST APIs.
Could you tell me whether your team accepts student internships, and what the application steps are? I can share a CV and GitHub link on request.
Thank you,
Sneha Iyer
3. Email to a company (information request)
Subject: Product demo request — school licences
Hello,
I am the English coordinator at [School]. We would like a 15-minute demo of your writing tools for Class 9–12. Please share available slots next week (IST).
Best regards,
[Name]
These how to write an email example blocks are templates. Swap names, dates (US: September 3, 2026; IN/GB: 3 September 2026), and the single ask.
Common Mistakes
- No subject or a subject that says “Hi.”
- One giant paragraph with five requests.
- Apology stacking: “Sorry to bother you, I know you are busy…” Delete it. Be polite in one line.
- Wrong attachment name:
finalfinalCV2.pdflooks careless next to a cover letter. - Replying all on a thread of 40 people.
- Informal slang in a first contact: “Hey,” “plz,” emoji strings.
If you are leaving a job, resignation is a different document: see how to write a resignation letter. A last-day note to peers is covered in our goodbye message guide.
Frequently Asked Questions
How do you write an email professionally?
Name the purpose in the subject, greet the person, state who you are in sentence one, make one clear ask, and close with a sign-off plus contact details.
How do I write an email for a job application?
Subject with role + vacancy ID. Body: why you fit in 4–6 sentences. Attach resume (US) or CV (UK/IN naming often overlaps). Do not paste the whole CV into the email.
Is “Dear Sir/Madam” still OK?
Use it only when you cannot find a name. Search the company site or LinkedIn-style public pages first. “Dear Hiring Manager” is safer for US/UK jobs.
How long should a professional email be?
Under 150 words for most asks. If you need more, attach a document and summarize.
How do you write dates in an email?
Spell the month when day and month could swap. Use how to write the date for US vs UK/India formats, and keep one style per thread.
Conclusion
How to write a professional email is a format problem, not a personality problem. Subject, greeting, one purpose, one ask, clean close.
Draft and polish in Write with AI, check grammar, then send. The reader should never have to hunt for what you want.