Letterhead Template Html – Letterhead templates aren’t easy to utilize, but there are a few tips to make the task simpler. In the beginning, let’s examine the different formats of letterheads. There are two major types of formats for letterheads, the single-line variant, and the double line format. We will discuss the differences in the two forms before we get to the fundamental concept behind letterhead templates. Your corporate letterhead templates will likely include your company name, your logo, a description of your business, as well as contact information.