Apology letter for a mistake. Sample letter


  1. Apologize for the mistake made.
  2. Briefly explain why the mistake occurred if applicable.
  3. End on a positive note.


[Senders Name]
[Address line]
[State, ZIP Code]

[Letter Date]

[Recipients Name]
[Address line]
[State, ZIP Code]

[Subject: Normally bold, summarizes the intention of the letter] -Optional-

Dear [Recipients Name],

I apologize for the mistake I made in sending you the wrong letter. Apparently, there was a mix up at home when I was putting the letters in the envelopes, and so the contents got mixed up.

Thank you for your understanding on this matter.


[Senders Name]
[Senders Title] -Optional-

[Enclosures: number] - Optional -
cc: [Name of copy recipient] - Optional -