How can I generate a transaction history for a credit memo? A vendor would like to know details of how a credit memo was applied.

Hey there, @michelle-prestig.

Thanks for reaching out to the Community for support. I'm happy to provide insight into showing all credits for your vendor. 

I recommend to run a Transaction List by Vendor report and customize it to show the vendor, date of transaction, and credit memo's associated. I've included the steps below to build the report below. 

1. Go to the Report menu.  
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2. Search for Transaction List by Vendor. 
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3. Hit the Customize button in the top-right corner. 
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4. In the filter section, choose the Transaction Type as Credit memo. 
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5. Select the Vendor. 
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6. Filter the Date of the transaction. 
7. 
8. Hit Run Report. 
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For more details about customizing reports, check out Customize reports in QuickBooks Online.

Don't hesitate to let me know if you have further questions or concerns. I'll be here every step of the way. You can reach out to the Community at any time. Have a wonderful weekend.