Apology letters are of two types, personal and official apology letters.u00c2u00a0 For an apology letter to be effective it has to be sincere and must come straight from the heart.
Writing an apology letter conveys more earnestness than a verbal apology.u00c2u00a0 It is one of the most effective ways of making amends for something which has gone wrong.
It is best to begin your letter with an apology and also state the reason for it.u00c2u00a0 By doing this you are not only openly acknowledging the mistake, but are also ready to take responsibility for it.u00c2u00a0 If possible give reasons for the error and the steps you are taking to help rectify it.
Take the opportunity and reassure the concerned person that such a mistake would not be repeated in the future.u00c2u00a0 It is also in good spirit to offer something in order to compensate for the mistake.u00c2u00a0 This especially holds well in case of a business apology letter.
Keep the letter simple, straight and sincere.u00c2u00a0 When you are signing off, make sure to repeat your apology in the last paragraph.