If I create a new invoice once I save it to preview it. QuickBooks shows the invoice and all outstanding invoices as paid. is there something I am doing wrong?

Good day, kwatkins43103.

I'm here to help you sort things out. QuickBooks Online offers automation features, such as automatically applying payments to an invoice.

If this feature is turned on and your customer has an available credit, this will automatically link to your open invoice and marking them as paid.

To turn off this feature, here's how:

1. Click the Gear icon at the upper right corner.
2. Under Your Company, click Account and Settings.
3. Go to the Advanced tab in the left panel.
4. Select Automation and remove the check-mark for Automatically apply credits.
5. Click OK.
6. Hit Done.

If you want to unlink the payment, see the steps below to complete the process.

1. Double click the credit to open the transaction.
2. Click the payments made at the upper right corner and select the linked transaction.
3. Make sure that the amount received is zero.
4. Click More, and select Delete.
5. You'll now have the unapplied credit.

To help you review your open invoices and outstanding balance in QuickBooks, check out this article: How to Review Open Invoices and Send Payment Reminders and Balance Forward Statements in QuickBooks ...

Know that you can always visit our Help Articles page for QuickBooks Online in case you need some reference for your future tasks.

Please let me know how it goes or if you ran into a different situation by leaving a reply below. I'm here to help. You have a great day!