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. Writing a professional clerical cover letter?Use our free cover letter sample and templates to get you started on your job search. This letter is especially helpful if you're applying to a traditionally unrelated industry from your previous job. It does the following:. Dear Callie Boyd, I am writing to express my strong interest in the General Office Clerk position at Motionmix. As you can see from my resume, I am skilled in ______, ______, and I am knowledgeable in. ______. That is currently posted your website. • Address all of the qualifications as requested in the job posting. • Emphasize your strongest traits.