Handling vendor invoices and payments can be particularly challenging when discrepancies arise in QuickBooks Desktop (QBDT), territyree. Meanwhile, let's run the Custom Transaction Detail Report to filter the data for vendor invoices and payments to vendors.

Here's how:

1. Sign in to your QuickBooks Desktop Company File.
2. Navigate to the Reports menu, hover over Custom Reports, and select Transaction Detail.
3. Customize the report, first click Customize Report. Then, select Filters and enter the Transaction Type in the search bar.
4. Select Multiple Transaction Types from the Transaction Type dropdown menu.
5. From there choose Bill and Bill Payment.
6. After completing the previous steps, click OK twice.

For additional details on managing reports, please refer to this article: Understand reports. 

Additionally, you can export your report to Excel files for easier data manipulation.

If you have any further questions or concerns about your report data, please share the details below. We're here to assist you.