Hello there, cornerstoneconcretellc,

You can consider sending a request about the feature that you want in QuickBooks. Let me show you how:

1. Select the Gear icon at the top, then Feedback.
2. Enter your comments or product suggestions.
3. Click Next to submit feedback.
   
   

Your valuable feedback goes to our Product Development team to help improve your experience in QuickBooks. You can track feature requests through the QuickBooks Online Feature Requests website.

Moreover, you can always browse these links for additional guide:

• Import custom form styles for invoices or estimates
• How to Customize Invoices in QuickBooks Online.
  
  

Drop me a comment below if you have any other questions about customizing emails or if you have any other concerns about QuickBooks. I'll be happy to help you.