Step 2: Access Inventory Options
3. Within the Inventory section, you will find the necessary meta fields that allow products to be set for pre-order.
These are the meta fields that you can find in your CSV file to set products as pre-order:
_exclude_pre_order
is_pre_order
_pre_order_date
_preorder_label_override
_preorder_fee
_pre_order_stock_status
Below is an example of how these fields look in a CSV file:
For more information on product import and export, we invite you to visit the following link: Product CSV Importer and Exporter