Learn how to write an employee appreciation letter with these templates and examples. Download the template for free (PDF or Word).To my younger self, Hey there, You did a great job! Even if no one complimented, I will. I am writing this letter to express my gratitude for the Emergency Scholarship fund. Guidelines for writing appreciation letters: State what you appreciate and briefly explain why. 1. It is with great pride that I express appreciation for your outstanding contributions to CHARLIE COMPANY, NMCB TWO-SEVEN, during the battalion's CPX. Thank you for your service in the military. You are a courageous hero and very much appreciated. I am honored to personally express my gratitude for your two years of service in the Marine Corps.