Use these sample cover letters if: you're looking for work with a particular employer; there are no advertised vacancies at that employer. How to write a cover letter for an unadvertised job, plus sample application letters for jobs that aren't listed on an employer's website.A resume is a concise document that summarizes your work experience, education history and skills. Conversely, a cover letter is a detailed document. In this article, we share the steps for writing an application letter along with a template and an example for you to use when writing your own. Your cover letter is a great opportunity to explain how a new degree or other skill makes you a great candidate for the position. This letter is especially helpful if you're applying to a traditionally unrelated industry from your previous job. It does the following:. This letter is especially helpful if you're applying to a traditionally unrelated industry from your previous job. It does the following:.