Letterhead Design Format – Letterhead templates might be difficult to make use of, but there are some suggestions that will simplify your task simpler. Let’s first look at the various formats of letterheads. There are two basic types of letterhead format, one-line as well as the double line version. Let’s look at the differences between these two formats before we get to the fundamental concept behind letterhead templates. The templates for your company letterhead will likely contain your company’s name, your logo, a description of your company’s name, and your contact details.