Learn how to write an employee appreciation letter with these templates and examples. Download the template for free (PDF or Word).I want to thank you for allowing me to be part of your career journey and appreciating my help and knowledge. Below you will find sample appreciation letters to send or email an individual or individuals who have helped you at work. Dear (Sponsor's Name),. Thank you very much for sponsoring me in A Walk for. Water. The message of appreciation should stand alone. Be brief, warm, and sincere. Learn how to write an employee appreciation letter for different circumstances, work relationships and company cultures using our templates and examples. You can find 13 samples of employee appreciation letters below.