Appreciation<\/strong> letters are written to express your gratitude towards the other person on his achievements or contribution. They can be written in any situation whether it is personal or professional.<\/p>\n Mostly appreciation letters are considered as good professional gestures in which an employer or an employee appreciates the other person for his contribution. By appreciating someone, we are increasing the self confidence of the person and also motivating him to perform much better.<\/p>\n Appreciation letter can be written to appreciate good work, good performance, good service or \u00a0a well-done job by a person. Writing this letter shows that you support that person for his good work.