Senders address is usually written in 3-4 lines. As there are different types of letters such as Appreciation letter Complaint letter Acknowledgement letter Reference letter Letter of inquiry Termination letter Apology letter Letter of welcome Letter of goodwill Sales analysis letter Follow-up appointment letter Letter for collection of deposits Contract signing letter Letter to employee Letter to employer and many. Valid Complaint Letter Format Letter Template Word Letter Templates Business Letter Template There are some business standards that need to be followed. Types of business letter format . Your company may have a preferred font. Follow the salutation or greeting with a comma or colon. Below is an example of how a business letter is laid out and structured. Here are some of the most common types of business letters and when to use them. The introductory paragraph of body should highlight the purpose of the letter. This is a generalized format of different types of...