Know the format. Whatever the content of your letter, there are a few business standards to follow regarding the way it looks. Business letters. Typically, a business letter is reserved for only the most important of job-related or other professional communications: recommendation letters. Business letters addressed to recipients you know very well (e.g., a former If you are writing your letter as an email, use block format, regardless of formality. Usually, people will not mind being addressed by a higher title than they actually possess. If you're printing the letter to send, consider printing the letter on company letterhead. Read more about block, modified block, and semi-block letter formatting. MV Madhuram Vishwanath Jul 1, Be sure to use a colon at the end of the name, not a comma as in personal letters Body Text: Sometimes adding a little humor is actually helpful puerto rico open a business setting, but err on the side of caution before making a joke.