The cover letter should be specific to the job you are applying for and should not simply repeat the information already in your resume. Which Resume Format Should I Use?Address your cover letter to a specific person. Use standard business letter format. • Use a font size of 10 to 14 points. Customize your resume using keywords described in the job posting. Don't go overboard repeating keywords; 2-3 times will suffice. It's best to include a cover letter to accompany your resume, even if it's optional. Stating how often you did something is an easy way to show productivity. WHERE – Where did your duties occur?