Let's move your data, kettle5.
The primary option of other subscribers is to use third-party apps to transfer their data from one company to another.
The other option is to get the list of names from the other QBO and upload them to the other one. If you have transactions, you can re-enter them, or you can connect your bank account to download them. You can also upload them using a Web connect file.
You can always go back to this thread if you have more questions.
By the way, feel free to check out the new features in QuickBooks Online that we've launched this month.