Responding Complaint Email is a response to an earlier complaint recorded. Sample formal letters asking for apology and assurance for dealing with it at the earliest.
Subject: Response to your complaint
This email is in response to complaint email which had been sent to us on 12th of March 2013. The complaint was regarding the electronic equipment bought from us on 9th of March 2012.
The complaint email also comprises of a complaint against microwave from our store, General Electronics. The email mentions about how the microwave has stopped working in two days after its purchase. We want to apologize for all the trouble you had to go through because of our product.
I assure you that your microwave would be thoroughly checked for the problem and then changed and replaced by a new microwave in next one week. You just have to come down to our store with your microwave and the purchase receipt. We are deeply sorry for all the inconvenience caused.