How do you know for sure whether or not to use a closing? One good test is to ask yourself whether this email is more akin to an instant message/text or a business letter. If you're giving your teammate a quick update on an ongoing project, a formal closing might not be necessary; if you're throwing your hat in the ring for a promotion, it definitely is required. When all else fails, and you're still not sure, err on the side of caution and include it. You'll never go wrong by being too polite and respectful.
How to Sign a Cover Letter with Signature Examples. When writing a cover letter to include with your resume, it's important to pay attention to every detail, since you only get one chance to make that first impression. So, what exactly should you include in your signature when you're writing your cover letter to apply for a job? It varies, depending on how you apply for the position. The format and information included in your signature changes depending on whether you are mailing, uploading or emailing your cover letter document.