Thank you for taking the time to post your concern in the Community, @Lynie.

Unchecking the Quantity box will hide the QTY column. I suggest revisiting the template and putting a checkmark on it.

Here’s how:

1. Click on the Gear icon.

2. Choose Custom Form Styles.

3. Select the template that you’re currently using.

4. Click Edit under the Action column.

5. Select the table section to customize it.

6. Tick the Quantity box.

For future reference, you can also read this article about personalizing sales forms: Customize invoices, estimates, and sales receipts.

Additionally, you can check out this guides here if you need help in recording sales transactions: Record invoice payments in QuickBooks Online.

If you need any further assistance about QuickBooks Online, kindly notify me by leaving a comment below. I’ll be happy to assist you any time.