How do you increase the text volume on "message on invoice" I have a large list I need to have included and it wont allow me to add anymore info. Only about half appears

Hi haner,

Welcome to the community family! QuickBooks Online is designed with several great features to make it easy for you to run your business. I'll be happy to share more about the "message on invoice" section. 

At the moment, there's no available setting to increase or decrease the text volume in the "message on invoice" section on your invoice. If you'd benefit from additional options in managing invoices, don't hesitate to submit feedback directly to our engineers. Your comments are crucial in driving innovation to offer the best QuickBooks experience we can.

In the meantime, feel free to also explore our partner apps to assist you with certain tasks you're facing some limitations, or use the Attachment feature to include your list as a file to the invoice.

I hope this helps! Have a great day.