Thanks for posting in the Community, @myriadmeister.
Here's an option there in QuickBooks Premier, where you can purge files by using the Condense Data. The idea of condensing data is to reduce the file size in data processing. Here's your guide on how to process condensed data: Use the Condense Data Utility.
Some guides need attention for you to remove parts of information seamlessly. It includes what you need to know about condense data utility and the type of transactions that can't be removed.
For assistance in Condensing Data, You can reach our Customer Care Technical Support to assist you.
Please feel free to leave a query through this post if there's anything else. I'm always here to help. More power to your business!