Thanks for reaching out to us here in the Intuit Community, @sheldrick-roofin.
To clarify, are you trying to transfer your data from QuickBooks Desktop to QBO?
If so, you can follow the steps below to accomplish this:
Step 1: Review your information before converting your file.
Step 2: Export your QBDT company data.
Step 3: Connect to QBO and import you data.
For your guidance with the solution above, feel free to read through this article: Convert QuickBooks Desktop file to QuickBooks Online.
If you're referring to something else, please let me know so I can provide you the information you need. Have a great day ahead.