So candidates often find ways to honor the letter of their confidentiality agreements but not the spirit. Learn about confidential resumes, when to use a confidential resume and detailed steps on how to write your own.Create your best resume yet. Please keep in mind that your resume and cover letter are incredibly personal documents. Everything in this document is a suggestion and not a requirement. The cover letter and resume document you attach should not exceed five (5) pages combined. Use your resume for inspiration and to make sure it matches the story you tell in your cover letter; however, do not just repeat your resume! Confirmation letters are a formal way of acknowledging receipt of an application, order, or payment.