How To Write A Letter Of Intrest Free Exampled . Your name and contact details. In the above letter, all of the guidelines are followed. Letter of Interest 12+ Free Sample, Example, Format Free & Premium from www.template.net Highlight your relevant skills and work experience in the middle section. When you're writing a letter to inquire about opportunities, a printed letter can be an excellent way to capture the reader's attention. Here's how to write a letter of interest: