I created an invoice this morning, but it will not send to any emails I have attached to it. Its showing that its sent but the emails are not recieving it

I also am having an issue emailing out invoices.  This appears to be an issue on QuickBooks's end, as there are other posts from this morning with others having issues emailing invoices and POs.

I appreciate your efforts and time in bringing this concern to us. I'll share some insights about sending invoices to help you streamline your workflow.

We received similar cases or reports about customers not receiving invoices in QuickBooks Online (INV-109305). Thus, I recommend contacting our support so they can add you to the affected user's list and notify you of the updates through email.

Here's how:

1. Log in to your QBO account.
2. Click Help (?).
3. Select Contact Us and choose a way to connect with us:

• Start a chat with a support expert.
• Get a call back from the next available expert.

Please also note about the note about the supporting hours for QuickBooks Simple Start, Plus, and Essentials, they are open 6 AM to 6 PM from Mondays to Fridays. Then, 6 AM to 3 PM on Saturdays. While QuickBooks Online Advanced support is available anytime and any day of the week.

If you want to convert your estimates to invoices in QBO, feel free to visit this article for guidance: Convert an estimate into an invoice in QuickBooks Online.

Please get in touch if you need further assistance creating estimates in QuickBooks Online. I'm always here to lend a hand.