A properly formatted cover letter contains six sections: contact header, date line, salutation, opening paragraph, body paragraphs, and closing. Each sits in a single-column block layout with 1-inch margins and 11-point font.
Cover letter format errors get applications rejected before a recruiter reads word one. This guide takes you from a blank document to a finished, ATS-compatible cover letter with 1-inch margins, professional font, single spacing, and 250 to 400 words in seven steps and roughly 30 minutes.
After following these seven steps, you’ll have a cover letter formatted to standard business-letter specifications, six defined sections, 1-inch margins, single spacing, and a total length between 250 and 400 words. Total build time: about 25 minutes if you already know what you want to say.
The correct letter format for a cover letter follows standard US business-letter conventions: block format, 1-inch margins on all sides, a 10-to-12-point professional font, and single spacing with a blank line between each paragraph. All of it fits on one page.
This tutorial gives you a finished, ATS-compatible cover template letter in under 20 minutes using free tools from Microsoft Word, Canva, and Adobe Express.
Ninety-four percent of hiring managers still expect a cover letter with every application, yet 75% of those letters get filtered out by applicant tracking systems before a human reads a single sentence.
MIT’s Career Advising office and the University of Michigan Career Center both recommend the same five-section cover letter structure: header, greeting, introduction, body, closing.
Indeed’s formatting guidelines specify one page, 10–12 point Arial or Helvetica, left-justified throughout. This step-by-step tutorial turns those specs into a reusable template for a cover letter you can customize for every application: five steps, about 30 minutes, no design software required.
A finished, ATS-safe cover letter takes about 25 minutes to build from the right free template. This guide covers four steps: choosing a template from Microsoft Word or Canva, replacing placeholder text, adding quantified achievements, and exporting a clean PDF ready to attach to your application.
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