You can follow this post to understand how you can create and then send the invoice in QuickBooks. If you face any issues then just contact QuickBooks support number to get the assistance of the professionals.
Steps to Create and send an invoice in QuickBooks
üFirst, open the QuickBooks Online.
üThen select the option of + New >then Invoice.
üChoose the customer from the drop-down list of the customer.
üEnter the email address, billing address
üCheck all the information of the particular customer and see whether they are correct or not.
üYou need to review the Invoice date and dont forget to select the due date from the down-down list of the Terms.
üYou can add a new product or service in the invoice from the Product/Service column.
üIf you have location and shipping enabled then add the details of location, shipping date, tracking number and shipping address.
üYou can also enter the quantity, rate and change amount.