I'm here to help you ensure you can export your data, JoanC.

It is a very simple process to convert your QuickBooks Online to QuickBooks Desktop by following the steps mentioned in this article: Export and convert your QuickBooks Online data to QuickBooks Desktop.

You'll want to check a migration tool here.

The following resources should help you transfer your QBO data to QBDT.

If I can be of any additional assistance about migrating your files, please don't hesitate to add them below. I'll be right here to keep helping.