How can I remove paid on invoice as haven't even sent invoice to customer and says paid

Hello there, @usertqbc.

You can remove the paid status by reverting the invoice as unpaid. Just go to the Invoices tab and select the invoice marked as paid. Let me guide you how:

1.Click the Sales tab on the left navigation menu. 

2. Select Invoices at the top of the page.

3. Locate the invoice you accidentally marked as paid and click to open it.

4. In the top right corner you'll see the Payment Status as PAID. Click the small blue link that says, "1 payment made".

5. Click the blue date link to open the Payment.

6. Click More at the bottom of the page.

7. Select Delete. 

Once done, your invoice status will once again ask you to Receive Payment.

Also, QuickBooks will automatically send an invoice if you create a recurring transaction and it will automatically tag as paid once you enabled the settings to apply for customer credits automatically.

 If you'd like to disable the feature to apply for credits, you can turn it off in the Accounts and Settings. Here's how:

1. Click the Gear icon.
2. Choose Accounts and Settings.
3. Click Advanced.
4. Click the Automation section.
5. Uncheck the box for Automatically apply credits.
6. Click Save.
7. Click Done.

To learn more about receiving payments and applying for credits in QuickBooks Online, please see these links below:

• Handle a customer credit or overpayment
• Record invoice payments in QuickBooks Online

Let me know if you have a follow-up question about your invoice status or if you have any other concerns, by leaving a comment below. I'm always here to assist. Have a good one!