Thanks for posting in the Community, @Jerone.
To modify the report, you can utilize the mini Gear icon and then uncheck the unnecessary details and check the box for Department to show the vendor transactions dept with codes. Change the Report period to your preferred month.
Here's how:
- Go to Reports on the left panel.
- In the Search box, enter "transaction list by vendor".
- Select Transaction List by Vendor.
To modify the report, follow these steps:
- Change the Report period to a specific month.
- Click the mini Gear icon and uncheck the boxes for unnecessary details and check the box for Department (Select Show More to see the entire box selections).
- Click the list to update the changes.
You can also save the customization and locate it in Custom Reports under the Reports tab.
You can check this video article as your guide in making a modified report: Customize your reports in QuickBooks Online.
I'm always open for your reply if there's anything else you need to know. I'm always here to help. Enjoy your day and take care!