How Do You Write An Informal Business Letter?
An informal business letter is a bit more relaxed than a formal business letter, but not relaxed enough to be casual. Use writing that is breezy rather than casual. Be brief, straightforward and logical. Employ standard grammar, spelling and formatting rules, but relax your tone and construction slightly. Use contractions and conversational phrases to soften the letter. Begin with the date, both your address and the recipient’s (or just your address) and a salutation. Choose “Dear” over “To Whom It May Concern.” Place a comma after the salutation (“Dear Jane,”) instead of a colon. Use personal statements to make the letter less formal: “I agree with your assessment of the highway construction project.