View Letter Writing To A Friend Congratulating Background. Your success is indeed very creditable but it is not unexpected. And the receiver's name and full address also should be added in the place allotted failing which the letter will make a wrong impression about you among the receivers of your letters.
If it's going out to a close friend or family member, write your letter out by hand to give a personal touch.
How to write a congratulation letter. These letters are informal letters. Here is a list of all personal letter written to relatives. One can easily understand the purpose of this letter by looking at the title.