Learn when and how to use the formal salutation “ To Whom It May Concern ” in letters or correspondence where the name and title of the recipient are unknown. See examples, alternatives, and tips for writing effective letters with this salutation. Using “ To Whom It May Concern ” is a practical solution when you’re unable to identify a specific recipient for your letter. By following the examples and tips provided in this article, you can craft a letter that is both professional and effective. Writing a formal letter? Get our 2025 guide on " To Whom It May Concern ," its alternatives, including its proper usage, when to use it, and a variety of letter samples.