Apology Email Templates: Late Delivery, Mistakes and Outages

A well-handled mistake can leave a customer more loyal than if nothing had gone wrong, but only if the apology is fast, specific and followed by action. Most apology emails fail by being vague ("we apologise for any inconvenience"), defensive, or late. The four templates below share one five-part structure. Send them from a named address on your domain, never from noreply@.

Quick summary

• Say what happened in plain words, in the first sentence. No preamble.
• Acknowledge the effect on the customer specifically ("your order arrived two days after the party", not "any inconvenience").
• Say what you have done and what you are changing so it does not recur.
• Make it right with a refund, credit, replacement or firm new date. State one; do not ask the customer to pick.
• Give a named person and a direct way to reply or call. Sign as a human.

The five-part structure

1. Say what happened in plain words, in the first sentence. No preamble.
2. Acknowledge the effect on the customer specifically ("your order arrived two days after the party", not "any inconvenience").
3. Say what you have done and what you are changing so it does not recur.
4. Make it right with a refund, credit, replacement or firm new date. State one; do not ask the customer to pick.
5. Give a named person and a direct way to reply or call. Sign as a human.

Subject line options

• "Your order [number] is late - here is what we are doing"
• "We made a mistake on [invoice / your booking / the report]"
• "[Service] outage on [date]: what happened and what we changed"
• Avoid "Apology" alone; the subject should say what it is about before they open it.

Template 1: late delivery

Subject: Your order [number] is late - here is what we are doing

Hi [First name],

Your order [number], due on [date], has not arrived. I am sorry. [One-line cause: our courier missed the collection / we ran out of stock after confirming your order.]

Where it is now: [status], and the new delivery date is [date]. I will confirm by email the moment it is out for delivery, with the tracking number.

Because you should not pay full price for a late order, I have [refunded the delivery charge / applied a [amount] credit to your account / included [item] at no charge]. You do not need to do anything.

If the new date does not work, reply to this email or call me on [phone] and I will cancel and refund in full, no questions.

[Full name]
[Title], [Company]
[name]@[yourdomain].com

Template 2: a mistake in your work or paperwork

Subject: We made a mistake on [invoice number / your booking / the report]

Hi [First name],

We got [specific thing] wrong: [what was wrong, e.g. invoice 1042 charged you for 12 hours instead of 10 / your booking was entered for the 14th instead of the 12th]. That is our error, not yours, and I am sorry.

Fixed: [what you have done, e.g. a corrected invoice is attached and the original is cancelled / your booking is now on the 12th at 10:00, confirmed with the venue].

To prevent it happening again, [one concrete change, e.g. two people now check invoices over [amount] before they go out].

If the correction is not right, or the mistake caused you any cost, tell me and I will sort it out today.

Kind regards,
[Full name]
[Title], [Company]
[phone]

Template 3: outage notice (during the incident)

Subject: [Service] is currently unavailable - update at [time]

Hi [First name],

Since [time, zone], [service] has been [unavailable / slow / affected in this way]. We are working on it now.

What we know: [one or two lines, honestly, including "we do not yet know the cause" if true].
What you can do meanwhile: [workaround, or "nothing is needed from you"].
What we will do: send the next update by [time] whether or not it is fixed.

You can reply to this email or reach us at [support address / phone].

[Full name]
[Title], [Company]

Template 4: post-incident follow-up

Subject: [Service] outage on [date]: what happened and what we changed

Hi [First name],

[Service] was unavailable from [start time] to [end time] on [date] ([duration]). I am sorry for the disruption, especially [specific effect, e.g. for those of you who could not send invoices that afternoon].

What happened: [two or three plain sentences; no jargon].
What we changed: [one to three concrete items, each with a date].
What we are offering: [credit / extension / nothing beyond the fix, stated honestly].

If you were affected in a way we have not covered, reply to this email; I read every response personally.

[Full name]
[Title], [Company]

Timing

Apologise before the customer has to ask. For a mistake, the same day you find it, even if the fix takes longer. For an outage, send the first notice within an hour of confirming the problem, update at the promised intervals, and send the post-incident email within two working days of resolution. Reply to complaints within one business day from the address they wrote to; OquMail's shared support mailbox and per-message delivery log let a small team prove what was sent and when.

Phrases and habits to avoid

• "We apologise for any inconvenience this may have caused" says nothing and everyone knows it.
• "Mistakes were made" and other passive dodges. Say "we".
• Blaming the courier, the supplier or the weather in the first line. Explain the cause briefly after the apology, not instead of it.
• Offering a discount on a future purchase as the only remedy for a current failure.
• Sending the apology from noreply@ or a marketing tool, so the customer cannot answer.

Common questions

Should I apologise if it was not really our fault?

Apologise for the customer's experience, which is real, and explain the cause honestly without blame. "I am sorry your parcel was late. The courier lost it in transit; a replacement went out today by a different courier" is both honest and kind.

Should the founder sign apology emails?

For serious incidents and key accounts, yes. For routine delays, the relationship owner signs; a founder apology for every late parcel devalues the gesture.

What compensation is appropriate?

Proportionate to the harm and stated, not offered as a choice. Refund the delivery fee for a late delivery; credit the affected period for an outage; refund entirely if the customer received no value.