How can I change the Service Date Field on my invoice to a Text Field?

Welcome to QuickBooks Community, matthew-mhj-john.

Though we can customize the invoice in QuickBooks Online, there are still limitations. We're unable to convert the Service Date field into a text field.

You'll want to check these articles for more details:

• Customize invoices, estimates, and sales receipts in QuickBooks Online
• Import custom form styles for invoices or estimates

I'll be here if you need anything else. Wishing you all the best!