Thanks for taking the time to post your concern here in the Community, wecare3.
Updating the address without changing the details in the old invoices is a great functionality. While this option is unavailable, I'd recommend sending a feature request directly to our Product Development team. This helps us improve your experience and the features of the program.
You can track your feature requests through the Customer Feedback for QuickBooks Online website.
Also, you can use our Location tracking feature. This helps you add location to your sales transactions.
If you'd still like to update the address, please see this article for the detailed steps: Edit Your Information in QuickBooks Online. Once done, the changes will automatically apply to the old and future invoices.
Additionally, I've added these articles that'll help you personalise your sales forms in QuickBooks Online. This way, you can add the info that matters most to your business:
I'm always here to provide assistance to the other QuickBooks-related concerns or questions you may have. Keep safe always!