Rachel Aydt is a part-time Assistant Professor of writing and literature at the New School University. Her writing has appeared in publications that include Time, Prevention, Redbook, the New York Post, and the New York Times' Motherlode blog. She received her MFA from Sarah Lawrence College. Find her on Twitter at @Rachelrooo.
a pen and envelope with a paper sticking out that reads, "To Whom It May Concern:" in handwriting Tout icon

To Whom It May Concern: What It Means and How to Use It

There are times when we need to write important letters to people who we don't know, and who may be in positions of authority (for example, HR managers and future bosses). Here's how to begin letters and emails with this formal salutation—and when you shouldn't.