How to export the Products CSV file:
Log in to the Etsy admin area, go to Your Shop -> Settings -> Options, and click the Download Data tab.
In the "Currently for Sale Listings" section, click the Download CSV button to save the file to your computer.
Upload the downloaded file to the proper field in the Migration Wizard.
Please note that if the downloaded file size exceeds 128 MB, contact our Support team to avoid any possible migration issues.
According to the same principle, export Orders and Order Items data.
How to export Orders CSV file:
Log in to the Etsy admin area, go to Your Shop -> Settings -> Options, and click the Download Data tab.
In the "Orders" section, select "CSV Type" Orders and click the Download CSV button to save the file to your computer.
Upload the downloaded file to the proper field in Migration Wizard.
Please note that if the downloaded file size exceeds 128 MB, contact our Support team to avoid any possible migration issues.