Business Letterhead Template Docx – The templates for letterheads can be difficult to work with, but there are some guidelines that can help make the task more simple. First, let’s look at the various formats of letterheads. There are two main types of format used for letterheads: the single-line format, as well as the double line version. Let’s discuss the differences between the two forms before going to the basic notion behind letterhead templates. Your corporate letterhead templates will likely include your company name, your logo an overview of your company, and contact information.