Writing a cover letter for a previous employer requires highlighting your existing knowledge, valuable skills, and showcasing how you've grown since leaving. We'll tell you why you might be asked to reapply for your current job and how you can succeed.Plus we've provided some sample cover letters to use. Craft a compelling returning to the workforce cover letter with our expert tips and templates. Learn how to showcase your skills. The document is a sample cover letter for returning to a previous employer. Start off with a salutation at the beginning. Wondering how to write a successful rehire letter to employer? Check out the best sample letter of reapplication to previous company and be sure to succeed!