There are several ways to hide the quantity of item(s) on an invoice:
Per item – Hide the quantity of a specific item on all invoices:
Go to the Inventory & Suppliers page.
Search for the item and open it.
Click Details to edit, then scroll down.
Check Hide quantity on invoice.
Click Save.
This will apply to all future invoices containing this item.
Per invoice (new UI only) – Hide quantities for all items on a specific invoice:
Open the invoice.
Click on a header (add one if none exists).
Check Hide item quantity.
Click Save.
Note: Only items under that header will have their quantities hidden.
Per job type (new UI only) – Hide quantities for all invoice items for a job type:
Go to Job Types and select the desired job type.
Click the Invoice Items tab.
Check Hide item quantity.
Click Save.
This affects invoices for future jobs with this job type. For existing jobs, remove the job type and re-add it to apply the change.