Is there a reason Quickbooks is sending two emails with duplicate invoices to every client of mine?

We can contact our Live Support to proceed with the next steps and gather more information about the issue, DGM1.

They are available to provide personalized assistance on the issue you are experiencing.

To connect with them, please follow these steps:

1. Click on the Help option located in the upper-right corner of your screen.
2. Navigate to the Search tab and type in the topic you need help with.
3. Click on Contact Us to proceed.
4. Enter the details of your concern and then select Continue.
5. Finally, choose your preferred method of communication, either Chat or Callback.

Be sure to verify their support hours for prompt assistance.

Also, this article explains how to receive and record your invoice payments: Record invoice payments.

If you have further details about managing invoices, feel free to include them in your response. We're here to assist you with any other questions or concerns.

Did contact support and share screen after emails from customers who had already paid on the first sending the day before. The only explanation offered was that it could be our broadband speed which at 900mbps down and 140mbps upload was laughable plus the fact that all PC;s are powered down at night and the duplicate sendings were ay 06:00 in the morning/

Chased support for lack of follow up explanation but three days later... nothing

I appreciate you for sharing the details of your situation, Studio13. I truly recognize how much of an inconvenience this has been for you. Dealing with issues like this can be frustrating, especially when you've already invested time trying to resolve it.

Sometimes our response times are longer than expected due to high contact volume. While I completely understand you have already reached out to our Live support team, I'd still highly recommend reaching back out to them for the best follow-up and to get a thorough investigation into what's causing the issue.

Here's how: 

1. Navigate to the Help (?) icon.
2. Select the Search tab, and enter your concern.
3. Click Contact Us.
4. Choose either Chat or Callback to get connected with an expert.

Please ensure to check their support hours to contact them in the right time.

If you have any further concern, please don't hesitate to get back to us. We're here to help.