Hi there, jodyv.

Moving from QuickBooks Desktop to QuickBooks Online isn't complicated at all. To have a smooth transition, ensure to have the latest QuickBooks Desktop file. I'm here to share more information about it.

Since you have the 2019 version, you can use our trial version to convert it to the latest one. Just a heads up, the target limit for the file to be converted is 750,000. For the detailed steps of the process, you can check this reference: Move your QuickBooks Desktop file to QuickBooks Online.

I've also added this article on what to do after moving to QuickBooks Online: What to do after you move from QuickBooks Desktop for Windows or Mac to QuickBooks Online.

You can always reach out to us whenever you need help converting the data.