Professional Emails

How to Write an Apology Email for Forgetting an Attachment?

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Oh, what I just did. Sure, the next step will be writing an apology email for forgetting an attachment. Without attaching the attachment, sending an email saying “Please find the attachment” is a very painful experience. It is an unforgivable mistake to forget such an attachment in an e-mail that you eagerly prepared a moment ago. But this can be called a common mistake made by many including me.

However, it is no secret that such mistakes can be easily prevented if proper email etiquette is followed.

If for any reason you forgot to attach the attachment in the email, what should be the next step? If so, many will apologize for forgetting the attachment and attach the correct attachment and send an email again.

So, how to write an apology email for forgetting an attachment. You can simply say that “Sorry! I forgot to attach the file in my last email” or “Sorry, I forgot to include the attachment.” or “My apologies, here is the attachment I forgot in my last email” or “My apologies as I did not send the attachment so here it is attached.

But there are things to consider when setting up an apology email for forgetting an attachment. These tips will help you prepare your new email letter more accurately and prevent such mistakes from happening again.

So, Let’s look into what that means and what you need to know about it.

Bonus Article: How To Find Small Business Email Hosting For Free – Step By Step Guide

Things to Consider When Making an Apology Email for Forgetting an Attachment

Act immediately

There is no consequence to repentance for the wrong you have done. What happened is over. Therefore, all you need to do is prepare your apology email as soon as possible and send it with the correct attachment. While that attachment may not be the most essential thing, it is very professional email etiquette to send a letter like this again because you mentioned it in the previous email.

Keep your head clear

As I said before, what happened is a thing of the past. There is a risk that there will be more mistakes in the new email due to unnecessary fear or anxiety. So, think carefully about what you are doing. Or if a second time a mistake is made, the recipient will see that you are careless.

Don’t be ashamed to correct mistakes

There is no point in keeping information someone need because you are ashamed to send it again. So, it is better to finish your task by sending the relevant things than to be ashamed. And do not let other people’s feelings interfere with your work. If you do the right thing, don’t be ashamed of it.

Use appropriate subject line

Choosing the right subject line is also very important when creating an apology email for forgetting your attachment. Because the selected subject line is the main interface of any of your email messages.

The selected subject line should be able to give a hint about the content of your email message as soon as the recipient sees it. So, the recipient should understand as soon as they see your email that this is a new email sent for a missed mistake.

If you do not use the correct subject line, the recipient may not even open the email.

Here are samples which can use as a subject line in an apology email

  • Rectifying …..Previous Subject Line….
  • Correcting …..Previous Subject Line….
  • Mistake In …..Previous Subject Line….
  • Attachment for …..Previous Subject Line….
  • Here comes the attachment for …..Previous Subject Line….
  • Whoops, it might help if I actually attached the file! (Funny)
  • Oops, here comes the attachment (Funny)

Read More: A Psychological Based Analysis of Marketing Email Subject Lines

So why are we waiting any longer, let’s write apology email for forgetting an attachment.

Apology Email Sample for Forgetting an Attachment

Apology Email Sample
Subject: Mistake in Invoices for Listing Charges at SPAR


My apologies as I did not send the attachment so here it is attached.

Best Regards,


Now you may be wondering if this little email alone is enough. No, there is a thing to practice so that you do not make the mistake you did before. Never leave the sender’s email address until you have completed your email and attached the relevant attachment. Then if you press the send button by mistake but such errors will never occur.

Read More: What to write when forwarding an email (With Samples)

How to Avoid Such Mistakes Happening

Apology Email for Forgetting an Attachment
Photo by Katii Bishop from Pexels

Preventing mistakes is a much better email etiquette than correcting them when using email in professional life. So, how do you stop sending emails forgetting attachments?

  • Never enter the sender’s email address until you have completed your email and attached the relevant attachment. Then if you press the send button by mistake but such errors will never occur.
  • You can attach the attachment when initiating the making of the email. You can edit your email after attaching the attachment.
  • Don’t forget to double-check the emails you process in your career life. It is also an email etiquette to read proofreading before sending an email.
  • Always use the most trusted email software to handle your email. For example, Gmail and Outlook have the ability to remind you if you forgot to attach the attachment. This is done by using their technology to understand the contents of your email message.

Final Thoughts

Finally, keep in mind that forgetting to attach such an attachment is not really the end of the world – no one is perfect and the recipient is more likely to have made the same mistake someday. Even If not, this is not a very big problem unless you do it again and again.

But if you make mistakes like this all the time, further mastering email ethics will definitely help your career.

So the article I wrote earlier may also help you.

Read More: 10 Email Etiquette Rules Which Can Help You In Workplace

Read More: How to Manage Work Emails on the Weekend?

Sandun is EmailEtiquetteGuru's head of blog who mainly writes upgrading. the blog covering everything fresh and exciting in the world of email marketing and email etiquette. Also, he is a creative content writer and have been writing about marketing for several years. He also would like to talk to you about tea and James Bond, if you let him.

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