• Log in
  • Get Started For Free
    Grow your business, not your expenses
    Turn curious visitors into devoted fans and drive more sales – no cost to get started!
    • Free Forever plan for 2,500 subscribers and up to 15,000 emails/month
    • Free & responsive email templates library
    • Free popups & forms
    • Intuitive drag-and-drop email builder
    • Unlimited automation and segmentation
    • Premade automation workflows
Menu

135+ Best Apology Email Subject Line | Subject Line Library

Apologies are an integral part of communication, especially in the digital age. Crafting an effective apology email subject line is the first step in expressing regret and seeking reconciliation. Here, we present a curated list of compelling subject lines to help you convey sincerity and remorse in your emails. Whether you're navigating a professional setback or a personal misunderstanding, these subject lines will assist you in capturing attention and initiating the healing process.

Best apology email subject line examples

Apologies play a crucial role in emails, helping to resolve issues and maintain strong relationships. To support you in crafting a thoughtful apology, we've compiled a collection of effective subject lines and email templates.

We’re Sorry for the Inconvenience Caused

Our Sincere Apologies for This Mistake

Apologies for the Mix-Up – We’ll Fix It

We Regret the Error – Please Accept Our Apology

Clarification & Apologies for the Mistake

Oops! Our Mistake – We’re Truly Sorry

We Acknowledge Our Error – Sincere Apologies

Sorry for Any Confusion – Here’s What Happened

Correction & Apology for the Recent Issue

Apologies for the Oversight – We’re Fixing It

Our Sincerest Regrets – Let’s Make It Right

Clarifying the Misunderstanding – Our Apologies

We Owe You an Apology – Here’s What We’ll Do

Please Accept Our Apology for the Mistake

Our Deepest Apologies – We Value Your Trust

Rectifying Our Mistake – We’re Truly Sorry

Apology for the Inconvenience Caused

Clarification & Regret – Our Sincere Apologies

We Acknowledge the Error & Deeply Regret It

Our Apologies – We’re Working on a Fix Now

Regrettable Oversight – Please Accept Our Apology

Explanation & Apologies for the Mistake

We Apologize for the Error – Here’s the Fix

Clarifying the Situation – We’re Truly Sorry

Sorry for Any Misunderstanding – We Value You

We Acknowledge the Confusion – Our Apologies

Clarification & Regret – We Owe You an Apology

Our Apology for the Oversight – We’ll Make It Right

Correction & Regret – We’re Taking Action

Apologies for the Mistake – We’re Fixing It Now

Subject line for apology email to manager

Did you make mistakes at your work? Let your manager know that you’re sorry with an honest message. Start the apologies from a subject line:

Rectifying the mistake, sorry

Explanation and rectification, sorry

Sorry for the misunderstanding, clarifying now

Apologies for the confusion caused

Regrettable oversight, apologies

Acknowledging my oversight, sorry

Sincere apologies for the oversight

Apologies for the miscommunication

Clarification and correction, my apologies

Sorry for any inconvenience caused

Regrettable mistake on my part, sorry

Acknowledging my error, correcting now

Sincere apologies for any confusion

Apologies for the delay in communication

Clarification and acknowledgment, sorry

Subject line for apology email to boss

When you make a mistake at work, the best thing you can do is to learn your lesson, apologize, and move on. These subject lines will help you to do that:

Apologies for the Oversight – Won’t Happen Again

Regrettable Mistake – My Sincere Apologies

Clarification & Apology for My Recent Error

Acknowledging My Error – I Deeply Regret It

Sincere Apologies for the Delay in Response

Apologies for Any Confusion I May Have Caused

Correcting My Mistake – I’m Truly Sorry

Explanation & Apology for My Recent Misstep

Sorry for the Oversight – Fixing It Now

Apologies for the Inconvenience I’ve Caused

Regrettable Error on My Part – I Take Full Responsibility

Clarification & Regret – My Sincere Apologies

Acknowledging My Mistake – I Take Ownership

Sincere Apologies for My Recent Error

Apologies for Any Misunderstanding Caused

Professional apology email subject line

To err is human. And to apologize is professional. Let’s take a look at how you can do it, starting from a subject line:

Our Sincere Regret – We Value Your Trust

Acknowledging the Oversight – Our Apologies

Clarification & Apologies for the Mistake

Rectifying the Error – Our Deepest Apologies

Our Sincere Apologies – We’re Correcting It

Explanation & Regret – We Take Full Responsibility

Apologies for the Confusion – We’ll Fix It

Sorry for Any Inconvenience – We’re Addressing It

Acknowledging Our Mistake – We’re Taking Action

Clarification & Correction – Our Apologies

We Apologize for Any Confusion Caused

Our Apologies – We’re Working on a Solution

Regrettable Mistake – Please Accept Our Apology

Explanation & Apology – We Take Full Responsibility

Clarification & Rectification – Our Apologies

Subject line for apology email to client

Move past your errors and strengthen the relationship with your client – send an honest apology. These subject lines will help you with that:

We apologize for the error – your experience matters most

Customer satisfaction guaranteed – our apology and action plan

Addressing your disappointment – our apology and remedy

Our sincere apology – your trust is important to us

Apologizing for the oversight – our assurance to you

Customer care update: our apology and resolution

We're sorry – let us make it right for you

Taking responsibility – our apology and reassurance

Acknowledging our mistake – here's our plan to fix it

Restoring your confidence in us – our apology and action

Apology notice: we're here to make things right

We apologize – your satisfaction is our priority

Addressing your concerns – our apology and assurance

We're sorry – your satisfaction guaranteed

Taking ownership – our apology and redress

Subject line for apology email to customer

A sincere apology is the first step towards repairing a relationship with your customer. Do it right with these subject lines: 

We're sorry – let us make it right

An important apology from [Your Company Name]

Our regrets and a solution for you

Customer care: our apology and resolution

Ensuring your satisfaction: our apology and plan of action

Making things right: our apology and next steps

Oops! our apologies – let's resolve this together

Our sincere apology for any inconvenience caused

Taking responsibility – our apology and immediate action

Your feedback matters – our apology and remediation

Customer first: our apology and resolution plan

We're sorry – here's how we'll make it up to you

Making amends: our apology and compensation

Apology notification: corrective measures in place

Responding to your concerns – our apology and plan

Apology email subject line formal

As much as we try to avoid it, something will always go wrong. Don’t let the mistake become bigger than it is – apologize and learn. If you choose to do it with a letter, here’s a subject line to accompany it:

Oops! Our Sincere Apologies for the Error

Sorry for the Oversight – We’re Fixing It

Correcting Our Mistake – Our Apologies

Apologies for Any Inconvenience Caused

Clarification & Rectification – Our Apologies

Regrettable Error – Please Accept Our Apology

Rectifying the Situation – We’re Truly Sorry

Apologies for Any Confusion We May Have Caused

Explanation & Correction – We Take Responsibility

Our Apologies for the Misunderstanding

Sorry for the Trouble Caused – We’re Addressing It

Acknowledging the Error – We’re Taking Action

Our Sincerest Apologies – Here’s What Happened

Rectifying the Confusion – Please Accept Our Apology

Sincere apology email subject line

A heartfelt apology can rebuild trust and strengthen relationships, whether with customers, colleagues, or clients. A sincere subject line should express regret, acknowledge the mistake, and show commitment to making things right. 

Our Sincere Apologies – We Value Your Trust

We Deeply Regret This Mistake – Our Apologies

Acknowledging Our Error – We’re Truly Sorry

Please Accept Our Sincere Apologies

We Owe You an Apology – Here’s What Happened

Our Mistake – We’re Taking Immediate Action

We’re Sorry for Any Inconvenience Caused

Regrettable Oversight – We Apologize Sincerely

Making Things Right – Our Deepest Apologies

Apologies for the Error – Here’s Our Solution

Our Commitment to Fixing This Mistake

We Regret the Error – Let’s Make It Right

Our Apologies – We’re Correcting the Issue

Clarification & Apology – We’re Taking Action

We Take Full Responsibility – Sincere Apologies

Personal apology email subject line

A personal apology email should feel genuine, heartfelt, and direct. Whether you're addressing a colleague, a boss, a client, or a valued customer, your subject line should reflect accountability and a commitment to making things right.

[First Name], I Owe You a Sincere Apology

My Deepest Apologies, [First Name]

Taking Responsibility – I’m Truly Sorry

I Regret the Mistake – Please Accept My Apology

A Heartfelt Apology for My Oversight

I Apologize for the Misunderstanding

Owning My Mistake – I’m Taking Action

[First Name], I Take Full Responsibility

Apologies for Any Confusion I May Have Caused

I’m Truly Sorry – Here’s How I’ll Fix It

A Personal Apology for My Recent Mistake

Acknowledging My Error – I Regret Any Trouble

I Want to Make This Right – My Apologies

I Deeply Regret This Mistake, [First Name]

Please Accept My Apology for the Oversight

Hero illustration
Hero illustration

Open Sesame: Subject lines to get your emails read

Your perfect email won't matter if it won't be opened. Want some inspiration? Check these robust subject lines, designed for maximum opens of your promotional emails.
Hero illustration
Hero illustration
Premium capabilities Feels enterprise,
minus the price

All the features your business needs to acquire high-quality leads, grow sales, and maximize revenue from campaigns
using one simple dashboard.

Get Started For Free
shape 1
shape 2
shape 3

*Source:

https://www.sender.net/blog/email-marketing-statistics/