A simple yet powerful tool, these letters can express gratitude, boost morale, and improve job satisfaction. Learn how to write an employee appreciation letter with these templates and examples.Download the template for free (PDF or Word). You are welcome to use thank you cards, branded stationery, lined paper, or plain white printing paper for your letters. Discover 40 heartfelt thank you note examples for friends, family, and co-workers. Express gratitude with personalized greeting cards. From washing my car to rubbing my back until I fall asleep, I am grateful for all that you do. An employee appreciation or thank you letter is a formal message from an employer that recognizes the former's contribution to the company they work for. I would like to take a moment to thank everyone who helped me with my campaign. An expert shares what to write in a thank you card for graduation, birthday, funeral and giftgiving occasions.