But in some cases, mailing a letter might be your only option, your best option or the most sincere option (depending on what type of letter it is, of course). And if that's the case, you may need ...

The street address, city, state and ZIP code will ... Even if you’re writing a formal letter of complaint, be sure to maintain a neutral and business-like tone and avoid using emotional language ...

Formal letters differ in some key ways from e-mail and even from professional memos. The purpose of a formal letter is often serious: It may be a formal application for a job, a formal statement ...

In a formal letter, the aim is to sound businesslike and professional by avoiding any words or phrases that seem casual or chatty, whilst using a range of appropriate vocabulary. The address and ...

In these cases, “To Whom It May Concern” can act as a formal and respectful way to address your cover letter, showing that you’ve made an effort to be professional in the absence of those details.