Dear Customer, I apologize for the lateness of this order. It is not the way we like to treat our valued customers.We've got you covered with 25 customer apology letter templates so you can swiftly say "I'm sorry" and start delivering a solution. Put your pride aside and accept you're at fault for what happened. Read this blog post to discover seven apology email examples that'll help inspire your own. Get 4 email templates you can send out to customers when their order is delayed due to production issues. This letter of apology guides students to explain what they did, how that made others feel, and what they should have done instead. We have advice on writing letters of apology plus sample letters for personal, school, and business situations. Here are the 10 most popular Apology Letters:. In this article, we'll cover everything you need to know about writing apology letters and provide 5 templates you can use to get started today.