Learn how to write an employee appreciation letter with these templates and examples. Download the template for free (PDF or Word).I want to congratulate you personally for completing your year with < company name >. It has been a pleasure working with you. Guidelines for writing appreciation letters: State what you appreciate and briefly explain why. Learn how to write an employee appreciation letter for different circumstances, work relationships and company cultures using our templates and examples. We wanted to give you an outline, or a highlevel "How To" Guide to writing these thank you notes, which should be done within 48 hours of your visit. Read on for five thank-you letter examples and templates, and a little more on gratitude.