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Level 1

Invoices undelivered won't send to email

I generated an invoice but I am getting an error saying it was undelivered and there is a delivery issue
QuickBooks Team

Invoices undelivered won't send to email

Hi there, andrea55.


I'll work with you in resolving this issue.


We haven't received reports about the undelivered invoices error. Sometimes, this behavior can be caused by a browser hang-up. Let's do some troubleshooting steps to rule this out.


Open an incognito or private browser. This mode doesn't save your browsing history, cookies, site data, or information entered in forms.


Here are the keyboard shortcuts:


  • Google Chrome: Ctrl Shift N
  • Mozilla Firefox: Ctrl Shift P
  • Safari: Command Option P

Then, sign in to your QuickBooks Online account and try to send the invoices. If it's successful, go back to your regular browser and clear its cache. Restart your browser afterwards. Alternatively, try using a different supported browser.


Please let me know in the comments below how it goes after trying out the steps. I'm here to help you out again. Stay safe.

Level 1

Invoices undelivered won't send to email

Hi RenjolynC.


I have already tried using incognito mode already and continue to get this error message for all of the clients I am trying to send invoices to.  I have also cleared my caches and tried both chrome and safari browsers.  

Level 1

Invoices undelivered won't send to email

Hi RenjolynC.


Thank you for looking into this for me.  I have tried to use the incognito mode and continue to get the undeliverable error message.  I have also cleared my caches, and tried both chrome and safari browsers to no avail.

QuickBooks Team

Invoices undelivered won't send to email

Thank you for following the steps provided above by my colleagues, andrea55. 


There are possible reasons why your invoices showing as undelivered. 


  • The email address was entered incorrectly 
  • There was a temporary issue with the recipient's email server 


This article provides more information on why you may be getting the "undelivered" status: Undelivered Invoices in QuickBooks Online.  


However, if the email address entered is correct and no temporary issue with the recipient;s email server. I recommend contacting our Customer Care Team. They can further check what's causing this behavior and might report it to our engineers.


To contact our support, here's how: 


  1. Go to the Help icon.
  2. Select Talk to a human.
  3. Enter "Talk to a human" again in the search bar.
  4. Select I still need a human, then click Contact us.
  5. Choose a way to connect with us.  


Take note to make sure you can get connected to our support team on time. You can reach them every Monday to Friday from 6: 00 AM PST to 6:00 PM PST. Then, until 3:00 PM PST every Saturday.      


You can always get back to me if you have questions or other concerns by leaving a comment below. I'm always here to assist. Have a great rest of the day.

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