Choose a story or example to illustrate each one. (Ideally the examples come from experiences listed in your resume.) These will form the body of the letter.Dear Callie Boyd, I am writing to express my strong interest in the General Office Clerk position at Motionmix. In this article, we detail when to use a formal letter format, the different types of formal letters and how to write your own. Writing a professional clerical cover letter? Use our free cover letter sample and templates to get you started on your job search. Open your letter with a strong sentence that defines the purpose of the letter. • All letters of application should follow the standard business letter format. The letter should capture the employer's attention, show why you are writing, indicate why your employment will benefit the company, and ask for an interview. Our Clerk Cover Letter Guide will provide you with all the resources and tips you need to create a successful cover letter that will help you land the job.