Hi there, matrix-com-kw-gm.
I'd like to add more information to what Fiat Lux - ASIA added. You can import your data into your QuickBooks Online account. For those details that we're unable to import, you can enter them manually. Here's how:
If you're using other third-party apps in importing your database, you can contact them directly. Our Intuit Developers can also help you through it.
You can check out these references on other ways to import data:
Let me know if you have other questions. Take care!