A cover letter is a one-page argument for why this specific person fits this specific role at this specific company. It fills in the "why" your resume can't: why you're switching industries, why you want a startup after a corporate job, why this mission. Recruiters who read them decide interviews on them.
Why do most cover letters get ignored?
Most cover letters get ignored because they could be sent to any company in any industry for any role. Madeline Mann, who has read over 1,000 cover letters as a hiring manager, calls this the worst and most common version — long, generic, and personality-free.
The template runs something like: "Dear Sir/Madam, please find my resume attached. I am experienced in office administration, have excellent problem-solving skills, and am highly organized." Every sentence is true of thousands of applicants. None of it distinguishes the writer.
What makes this failure mode so persistent is that it feels safe. The generic letter can't offend anyone, so it gets sent everywhere. But safety is the problem. If your letter could be forwarded to a different hiring manager at a different company without a single edit, you've written a form, not an argument.
The fix isn't more words. It's fewer, sharper ones that only apply to this opening. A hiring manager at a 30-person startup reads every letter and makes interview calls from them, because each new hire shifts the culture. That's the audience you're writing for.
What should a cover letter actually say?
A cover letter should answer two questions the resume can't: why this career move, and why this company. Answer both in the first three sentences, then stop. The rest of the page is evidence, not introduction.
The "why you" question matters most when your background looks inconsistent. Moving from entertainment to tech, or from a large company to a startup, or from sales into marketing, all raise the same silent question in a reader's head: is this deliberate, or is this person applying everywhere? A cover letter is where you show the move was a decision, not a spray-and-pray.
The "why this company" question is where most applicants leave free points on the table. Mentioning that you've dug into their product, their stated values, or their mission signals you understand what they're building and why it matters. At a small company running on curiosity and momentum, that enthusiasm is a real hiring signal — someone who isn't excited about hard technical problems won't enjoy the work.
Keep the whole thing to one page. A letter that takes three paragraphs to say nothing is worse than four sentences that say something.
How do you structure the opening and closing?
Open with a one-line identity that names your current context and your target, and close with a single forward-looking sentence. Skip "Dear Sir/Madam" and "I look forward to hearing from you" — both are dead weight.
Here's the structure that works, using the same executive assistant role from Mann's example:
| Section | What goes in it | Length |
|---|---|---|
| Greeting | "Hi [Company] Team" — use the team name, not "Sir/Madam" | 1 line |
| Identity | Who you are now and what you're moving toward | 1 sentence |
| Fit | The specific muscles this role uses that you want to flex | 2-3 sentences |
| Company hook | One concrete thing you've noticed about them | 1-2 sentences |
| Close | A forward-looking line, not a thank-you formula | 1 sentence |
The revised version Mann wrote for that same applicant opened with "Hi Gem Team" and one sentence identifying the writer as an administrative professional at a large tech company looking to make an impact at an emerging startup. No "please find my resume." No list of adjectives. Just context and direction.
The closing line matters more than people think. "Looking forward to chatting further" is short, warm, and assumes a next step. "I sincerely thank you for taking the time to review my application" is a full stop.
What separates a cover letter that gets a call from one that doesn't?
The difference is specificity you can't fake. A letter that gets a callback names the company, names the role's actual demands, and shows the writer has thought about the fit — not just the application.
Mann's example is blunt about it: the worst letter could be for most any job, any company, any industry. The one that earned a call was personal, contextual, and short. Same applicant pool, same role, opposite outcomes.
Three things do the work:
- Named context. "I'm an administrative professional for a VP at a large technology company" tells the reader exactly where you're coming from.
- A stated reason for the move. "Looking to make a big impact in an emerging tech startup" answers the why before it's asked.
- A specific ambition. "Flexing many other muscles by event planning, office management, culture building" shows you've read the job description and want the messy parts, not just the title.
What you cut matters as much as what you add. Drop the adjective stack — "excellent problem-solving skills, highly organized, strong work ethic." Every applicant claims those. The reader learns nothing.
If you're applying to a large company that screens resumes with keyword software before a human sees them, a strong letter may not reach anyone. That's a real limitation, not a reason to skip the letter entirely. Apply to the small and mid-size companies where a human reads everything, and write those letters like they matter. They do.
What most people get wrong about cover letters
The biggest misconception is that a cover letter should restate your resume in paragraph form. It shouldn't. The resume already lists your experience; repeating it wastes the one page where you can explain what the list means.
The second misconception is that length equals effort. Mann's verdict on the generic letter was that it was "awfully long for saying nothing of substance." A hiring manager skimming 40 applications rewards the letter that gets to the point. Padding signals you don't know what matters.
The third, and the one that costs the most interviews, is treating the letter as a formality. Job seekers spend hours applying with little signal or feedback, so the letter starts to feel like a box to tick. For the companies that actually read them — the ones hiring dozens instead of hundreds — the letter is the decision. That's where the interview call comes from.
Key takeaways
- A cover letter answers two questions your resume can't: why this move, and why this company.
- If your letter could be sent to any employer without edits, it's a form, not an application.
- Open with your current context and target, not "Dear Sir/Madam."
- Name one concrete thing about the company; vague enthusiasm reads as a copy-paste.
- Keep it to one page — long letters that say nothing are the most common failure.
Frequently asked questions
Do recruiters actually read cover letters?
Many large companies screen resumes with keyword software first, so your letter may never reach a human. At smaller companies hiring dozens instead of hundreds, hiring managers read every letter and base interview decisions on them. Write for the second group.
How long should a cover letter be?
One page, and shorter is usually better. The most common weak letter is long and says nothing of substance. Four tight sentences that name your context, your fit, and one specific company detail beat three paragraphs of adjectives.
Should I use "Dear Sir/Madam" or "To Whom It May Concern"?
Use the company name instead — "Hi Gem Team" works. "Dear Sir/Madam" is the tell of a generic letter, and it signals to the reader that you didn't look up who you're writing to.
What if I'm switching industries?
That's exactly what the cover letter is for. Explain why the move is deliberate — what draws you from your old field to this one. A clear reason turns an inconsistent resume into a considered career decision.
Can I reuse the same cover letter for multiple applications?
You can reuse the structure, but not the content. Swap the company detail, the role-specific fit, and the reason for the move. If you can send it unchanged, it won't earn a call.
The cover letter isn't a formality you survive — it's the one page where you explain the "why" your resume can't. Open your next application, cut the adjective stack, and add one sentence naming a specific thing about the company you actually noticed. That single line is usually the difference between the pile and the call.