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How to Write a Cover Letter

Learn how to write a cover letter that adds something your resume can't, with a simple structure, real opening lines, and honest advice on when to skip it.

A notebook and pen on a wooden table beside a cup of coffee.
Photograph via Unsplash

Most cover letters are written out of obligation and read out of obligation, which is why so many of them say nothing. They open with "I am writing to apply for the position of," restate the resume in paragraph form, and close with "I look forward to hearing from you." A reader learns nothing they did not already know. That is a waste of the one place where you get to sound like a human being.

A good cover letter does a different job. It connects the dots your resume leaves bare, explains a thing that needs explaining, and shows that you understand what this specific role is actually about. Done well, it is not filler. It is a short, persuasive note from one person to another.

Decide If You Even Need One#

Let me start with honesty, because not every application needs a cover letter. If the posting says it is optional and you are applying through a portal that clearly never opens the file, a generic letter adds nothing. But there are moments when a letter earns its place, and you should recognize them.

Write one when you are changing fields and need to explain why. Write one when there is a gap, a relocation, or a non-obvious path that a reader will wonder about. Write one when the role is competitive and a thoughtful note can tip a close decision. And always write one when the posting asks for it, because skipping it signals you do not follow instructions, which is the fastest way to a no.

When you do write it, write it for that job. A reused letter with the company name swapped is obvious, and it reads as effort you did not actually spend.

Open With Something Real#

The opening line decides whether the rest gets read. Generic openers waste it. Try instead to say something only you, applying to this job, could say.

Here are openers that work because they are specific:

  • "I have spent the last three years turning messy onboarding processes into ones new hires actually finish, which is exactly the problem your job posting describes."
  • "When I saw that your team is rebuilding its analytics from spreadsheets to a real pipeline, I recognized the project I led at my last company, almost line for line."

Notice that neither one mentions how excited the applicant is. Excitement is cheap and unprovable. Relevance is the thing. Lead with the overlap between what they need and what you have actually done, and you have earned the reader's attention for another paragraph.

The resume says what you did. The cover letter says why it matters for this job, in your own voice. If your letter only repeats the resume, you have written half a document twice.

Build the Middle Around One Story#

The body of the letter is where people lose the thread by trying to summarize their entire career. Resist that. You already have a resume for the full picture. The letter's job is to go one level deeper on the part that matters most here.

Pick one accomplishment that maps directly to this role and tell it as a short story: the situation, what you did, and what changed. If you are applying to manage a support team, do not list every job you have held. Describe the time you took a support queue with a two-day response time and got it under four hours, and explain how. That one concrete story does more than a paragraph of adjectives, because it lets the reader picture you doing the work.

If you are switching fields, the middle is also where you connect your past to their future. Name the transferable skill plainly. "Teaching thirty teenagers algebra every day taught me to explain complex ideas to people who did not ask for them, which is most of what technical support is." A reader who might have dismissed your background now sees the bridge.

Close Without Begging#

The ending is short and confident. You do not need to thank them three times or apologize for taking their time. State what you would bring, signal that you would welcome a conversation, and stop.

Something like: "I would bring the same instinct for cleaning up broken processes to your operations team, and I would be glad to walk you through how. Thank you for considering my application." That is enough. It is warm, it is clear, and it does not grovel.

A few practical notes hold the whole thing together. Keep it to one page, ideally three or four short paragraphs. Address a real person if you can find one, and a real team if you cannot, but never "To Whom It May Concern," which reads like a form letter. Match the company's tone a little; a warm, casual startup and a formal law firm are not the same audience. And proofread it out loud, because a typo in a letter about your attention to detail undoes the letter. Pair this with a sharp resume, and if you have not nailed that part yet, our guide to writing a resume that gets read is the place to start.

The Honest Bottom Line#

A cover letter will not rescue a weak application, and a strong candidate will sometimes get hired without one. So set your expectations sensibly. The letter is a multiplier, not the engine. Its value shows up in the close calls, where a reader is deciding between two similar resumes and your note tips them toward you because you sounded like a person who understood the job.

Write it when it matters, make it specific, and keep it short. Then send it and keep applying, because the candidate who writes one excellent letter and stops is beaten every time by the one who writes a good letter, learns from each round, and keeps going. The effort is real, and so is the payoff when it lands.

Elena Park
Written by
Elena Park

Elena is a former recruiter who has read tens of thousands of resumes and sat on both sides of the interview table. She writes about job searching with the bluntness of someone who knows exactly what gets a candidate shortlisted — and what gets them ignored. She's a firm believer that a good resume is edited, not written.

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