Hello there, ItalianDream.

I would love to assist you in achieving your goal. However, could you please provide me with more details regarding your concern about the uploading error you've encountered when exporting from QBDT to QBO? It would be helpful if you could attach a screenshot to help me better understand the issue and provide you with an accurate resolution.

I'll wait for your reply, or if you have any other questions, please let us know. We're always here to help. Stay Safe.