Letterhead Template Minimal Design – Letterhead templates may be difficult to use, but there are a few tips that can make your job easier. We’ll first take a look at the different formats of letterheads. There are two major types of format for letters, the single-line version, and the double-line format. We’ll discuss the differences among these two formats prior to going to the basic concept behind letterhead templates. Your company letterhead templates will likely feature your company’s name, your logo and a description of your company’s services, and contact information.