I'll help you fix this, @Allan.
It could be that there's something that blocks your connection to your Google account that's causing the issue. Let me provide you some basic troubleshooting steps to fix this.
First, let try updating QuickBooks to its latest release. Doing this can fix some minor issues within QuickBooks.
If you're still unable to send invoices with Gmail, we can review your settings and filter preferences. Here's how:
- Follow the steps to enable access for less secure apps.
- You can also set access preferences for specific apps, like QuickBooks.
- Go back into QuickBooks and email yourself a test transaction.
If you're getting the issue, you can turn off the 2-Step Verification feature for your Gmail account.
Then, go back into QuickBooks and email yourself a test transaction. If you're still unable to send invoices with Gmail, reach out to our support team. They have the special tools to help conduct a deeper investigation of what's causing this behavior.
If you need more help regarding other tasks in QuickBooks Desktop, you can check our articles here. Make sure that the topic is set as "QuickBooks Desktop."
Let me know how it goes in the comment section. If you need additional assistance in doing your task with QuickBooks, don't hesitate to visit us back. We'll be happy to help.