Hi there, bendburgerco. I want to make sure you are equipped with the details you need.
I'd like to make sure that we are on the same page so I can help you out with your concern. I'll need additional information on what kind of training you'll want to make. Are you trying to switch data from QuickBooks Desktop (QBDT) to QuickBooks Online (QBO)?
If so, when you migrate a file from QBDT and QBO, not all transactions will be converted. Since there are limitations when converting a file, I'd like to share this article so we can review what transactions and information can be moved to QuickBooks Desktop: Find out how your books will move from QuickBooks Online to QuickBooks Desktop.
Additionally, the following articles are good references to learn more ways of handling your QuickBooks data:
You can post anytime if you have other questions about moving your data from QBO to QBDT. Have a great rest of your day.