It is a very simple process to convert your QuickBooks Online to QuickBooks Desktops by following the below-mentioned steps:

• Log into QuickBooks Online and prepare the file for export.
• Download QuickBooks Desktop and the migration tool
• Select your data in QuickBooks Online for export
• Run the QuickBooks Desktop migration tool
• Verify your info exported correctly

Here are more details:

• Export QBO to QuickBooks Desktop