i double paid a supplier by accident, how to show 2 payments and 1 refund in the bank register?

You can create two expense transactions for the duplicate payments made to the supplier, and a bank deposit for the refund. Here's how:

1. Go to +New  and click Expense.
2. Select your supplier in the Payee field.
3. In the Payment account field, select the account you used to pay for the expense.
4. Enter the date and amount of the transfer.
5. In the Payment method field, select how you paid for the expense.
6. Select the correct expense category and enter the amount.
7. When you're done, select Save and close.

Then, follow these steps to create a deposit.

1. Go to +Create and click Bank Deposit.
2. Select your bank account.
3. In the Add funds to this deposit section, choose the correct expense account.
4. Enter the amount and click Save and close.
    

Once done, you can now match them to their corresponding downloaded transactions.
 

If you have any other questions, feel free to let us know. We’re here to help.