I need to transfer Jvs I recorded in Practice mode to my client account

I've got you covered on exporting and importing your Journal Voucher, Omar.

We can export the journal vouchers you've created and import them utilizing a third-party app integrated into QBO. Here's how to export:

1. Go to Reports.
2. Search for Journal.
3. Click Export, and then select Export as CSV.

To find an app to use for importing, follow these steps:

1. On the left panel, click Apps.
2. Select Finds Apps, and then search for an app to integrate.
3. Click the app you've chosen.
4. Hit Get App now.

Apart from the JV, we can also incorporate customers, suppliers, inventory, and charts of accounts into the program.

You can check out this article for more questions about importing: Common questions about importing data to QuickBooks Online.

If you need assistance with something else, please feel free to leave a comment below. A screenshot would be greatly appreciated. Have a wonderful day.