By following proper sales letter format, you can increase the number of people who will read and respond to your letter. The subject line must be motivating and the envelopes are to be very attention_grabbing. If you are mailing the letter, you can even use colorful envelopes printed with your logo. A famous one_liner or a logo that is not easily erased from memory creates magic for your products and services. Sales letter writing is more effective when properly formatted.
Make sure you choose a cover letter format that you feel most comfortable with. It should be something that could best express your personality but keeping it as formal as possible. Be wary of the details of the cover letter format. It must be clean and neat. It should provide the data directly. There is no need to be colorful or playful with the fonts.