Email Subject Lines

105 Subject line for apology email to client

Subject line for apology email to client
Written by Danish Ali

We all make mistakes, especially when it comes to email correspondence. Sometimes we send messages before double-checking for typos or errors. Other times, we just plain forget to include an important detail in our email. If you find yourself in the unfortunate position of having to apologize to a client via email, don’t worry – you’re not alone! Check out these 105 Subject line for apology email to client that will help you craft the perfect apology email. And remember, always stay professional and courteous, no matter what!

It can be tough to know what to say when you mess up. You want to apologize, but you also don’t want to make the situation worse. So you can get started on resolving the situation as quickly as possible.

subject line for apology email to client

  • Please accept my apology
  • Dear client, I apologize for the inconvenience
  • Forgive me for this mistake, please
  • You deserve better than this from me and I am working on making it up to you
  • Thank you for your understanding and patience during this difficult time
  • “I’m sorry”
  • “Apology accepted?”
  • “Sorry for the inconvenience”
  • “Thank you for understanding and forgiving me”
  • What happened to our relationship
  • Something’s wrong with me
  • I need your help
  • Let’s work it out together
  • I’ve been thinking about you a lot lately and wanted to apologize for my actions
  • Explain what you did wrong, and how it will be fixed
  • Offer a solution to the problem
  • Ask them if they need anything else from you at this time
  • Express your desire to do better in the future so that this doesn’t happen again
  • I’m sorry for the inconvenience
  • I hope you’re doing well
  • Let me know how we can make this right
  • Thank you for your patience and understanding during this time
  • Please let me know if there is anything else we can do to help you out today
  • My bad
  • Sorry for the inconvenience
  • Forgive me please, I was wrong
  • I’m sorry for the inconvenience
  • Thank you for your understanding
  • We’re sorry to hear that this happened – how can we make it up to you?”
  • “I’m very sorry about what happened, please let me know if there is anything else I can do”

For More: 111+ Appreciation Email Subject Line ideas & Examples

Quick Tips To Write Apology Subject line.

Apology emails to clients can be tricky. You want to make sure that you apologize for the mistake, but you also don’t want to sound too sorry or like you’re groveling. Here are a few tips for writing subject lines for apology email to client:

1. “Sorry for the inconvenience”

This apology email subject line is simple, yet effective. If you’re sending an electronic message, it’s best to keep the header short and straight to the point. It’s also important to mention what happened so that your client knows exactly what this email is about.

2.”A sincere apology”

Saying “I’m sorry” is a great way to start an email. Of course, you can’t always use this phrase in the subject line because it’s too vague. However, if there’s a clear reason why you’re apologizing (i.e., deleting client files by mistake), then you should include it in the subject line.

3.”Please accept my sincerest apologies”

This is another variation of the “I’m sorry” subject line. It’s a little more formal, but it also shows that you’re taking responsibility for your mistake. If you want to make sure that your client knows how serious you are about apologizing, then this might be the right subject line for you.

4.”An apology for the mistake”

This straightforward subject line lets your client know that you’re sorry for what happened. It’s important to be clear and concise in your apology, so this might be the best subject line to use.

5.”A request for forgiveness”

This is a more formal way of saying “please forgive me.” It’s a good subject line to use if you want to emphasize the fact that you’re sorry for what you did.

For More: How to write a good email subject line That Opened 10x


Have you ever sent an email to a client that felt like it was too apologetic? The tone of the email can make or break your relationship with them. It’s important to strike the right balance between apologizing for any inconvenience and acknowledging how much they are valued as a customer. We recommend using this subject line template when writing emails to apologize, “I am sorry about _ (e.g., cancelling their order). I hope we can work together again in the future.” Which one of these apology templates have you used before? Let us know below!

Email Subject line for apology to client
Email Subject line for apology to client

About the author

Danish Ali