Hi there, accounts155.
We have a few options for you to choose to get your company files converted to QuickBooks Online.
The first option is we can convert your company file from Xero to QuickBooks Online for free. You fill up this page with your company information and send it to us. Then, we will call you at your convenient time to follow up on the conversion.
The second one is to set up your company and manually import the lists (customer, vendor, products/services, chart of accounts, etc.) using CSV.
The last thing is to use a converter tool from a third-party provider. It may cost you additional charges. Please go this link, search for a converter app that is compatible with QuickBooks Online.
That's pretty much it. Keep us posted if you need more help. Have a great day!