Learn what an appreciation letter is and how to write an appreciation letter with tips, examples and seven easy steps to write your own. Learn how to write an employee appreciation letter with these templates and examples.Download the template for free (PDF or Word). Wondering how to say thank you? Our thank you email template and 30 thank you email examples will help you say thank you meaningfully. I cannot express enough gratitude for your guidance and support. Your wisdom has been invaluable to me. Here are tips on how to write a letter of appreciation, examples to review, and a template to download to get your own letter or email started. You're an amazing boss, and I thank you for it. 2) I appreciate all of the extra time you've given me in recent months.