Employee Appreciation LetterSample I would like to formally and sincerely express my gratitude for your amazing work. Learn how to write an employee appreciation letter with these templates and examples.Download the template for free (PDF or Word). Consider how they make you feel as an employee (thoughts like I feel valued). Consider how the boss improves the morale of the work unit. Use these heartfelt thankyou notes and messages to express gratitude to your boss or manager for their leadership skills and vision. Thank you for your wholehearted support. You play such an important role in my professional life. In this article, we offer some tips and examples to help you write a great thankyou letter to your manager. Sample 1: Dear Donor(s), I am writing to express my sincere gratitude to you for choosing me as a recipient of the Ogontz Campus General Scholarship.