Job Application Letter Format: Want to know how to sell yourself? Learn how to write a good job application letter.Fill Out the Application. Make sure you meet the minimum experience and training requirements in the job posting. How to write a cover letter for any Personal Assistant job? Craft the perfect cover letter with our professional examples and templates. What are the steps in completing an application for a work permit? Today's video will learn how to write a job application letter. The white copy is always submitted to PennDOT. 2. A job application letter should provide information about educational qualifications, career, goals, projects and other key details in a very crisp manner.