Letterheads show professionalism and attention to detail. However, the letterhead has to be designed properly or else it will have the opposite effect. You don’t have to be a business to use letterheads. You can use them to create a personalized correspondence to your family and friends.
You can use simple black-and-white letterheads for faxes
Have colourful letterheads to sales letters and business correspondences
Having high-quality paper stock establishes a strong and professional impression