Please review the following guidelines and sample letter to assist with writing your thank you letter. Guidelines for writing appreciation letters: State what you appreciate and briefly explain why.Learn how to write an employee appreciation letter with these templates and examples. Download the template for free (PDF or Word). Discover 30 creative ways to say "thank you for your support" in this article. Strengthen your relationships and spread gratitude with these unique ideas. This article explores the value of sending gratitude messages and introduces guidance and templates for writing them. The Office of Governor Cooper can provide letters of recognition for special events and occasions held in the state of North Carolina. A postevent thank you email is a quick message that expresses gratitude over an individual's decision to participate in your event. We are very grateful.