I admire you for going through the troubleshooting steps and sharing a video clip with us, @Lizziebeth10.
I'll make sure you get the best help to get around the issue you're having with the tabbing field. I recommend contacting our support team.
There, one of our live agents can look into your account and investigate this odd behavior. They can also share additional steps to resolve the issue. You can contact them by following the steps outlined by my colleague LollyNino_C above.
When everything is in place, you might want to read this article that discusses how you can modify your invoice: Customize invoices, estimates, and sales receipts in QuickBooks Online.
Please don't hesitate to get back to me if you need more help with your tabbing fields and invoices. I'll be here always ready to back you up. Have a great weekend!
