Thanks for sharing the details of your concern, @mainstreet2. I'm here to help you with your concern about exporting only QuickBooks Desktop 2023 Data to QuickBooks Online.
It is possible to migrate data from 2023 to QuickBooks Online, but only certain features can be imported, we can perform a Condense data and remove transactions without creating journal entries, you can select and remove the specific old transactions and set the date. After the migration, you can either delete any unnecessary transactions or create a new QuickBooks Desktop company file that includes only the 2023 data. You can refer to these articles for a more detailed explanation:
Please don't hesitate to reach out if you have further questions or concerns, and I'll be happy to help. Have a great day!
