I can show you the easy steps in recording vendor refund in QuickBooks Desktop, LeadingForce.

The steps provided by a colleague is for QuickBooks Online users. Creating a vendor refund in QuickBooks Desktop depends on how you received it from your vendor. For returned items, you'll just have to create a bank deposit and then a bill credit which you'll link both using the Pay bills option.

Record a deposit

1. Click Banking and select Make Deposits. 
2. Select OK if prompted with the Payment to Deposit window.
3. In the Make Deposits window, select the vendor in Received from, Accounts Payable under From Account, and then enter the actual amount of the vendor check.
4. Select Save & Close.

Create a Bill Credit for the returned items

1. Go to the Vendors menu and select Enter Bills. 
2. Click the Credit radio button.
3. Enter the vendor's name and go to the Items tab to enter the returned items with the same amount as the refund check.
4. Click Save & Close.

Link both deposit and credit

1. Click Vendors and select Pay Bills.
2. Select the Deposit that matches the vendor check amount and select Set Credits.
3. Apply the Bill Credit you just created and then Done.
4. Click Pay Selected Bills and then Done.

There may be other ways you'll receive vendor refunds in the future, you can follow the steps on the specific scenario on this page: Record a vendor refund in QuickBooks Desktop. To help you manage vendor transactions, you can run reports on QuickBooks Desktop.

Keep me posted if there's anything else that you need help with. Take care!