To validate the product

1. Go to the Magento 2 Store Admin panel.
2. On the left navigation bar, click the Exporter Integration menu.
   The menu appears as shown in the following figure:
3. Click Product Listing.
   
   The Exporter Product Listing page appears as shown in the following figure:
4. Scroll down and select the required product row.
5. In the Action column of the respective row, click the Validate Button.
   If the product is validated successfully and a success message appears on the top of the page.

   

   If there is an error, then an INVALID button appears in the Validation column of the respective product row.

6. To view the cause of product invalidation, click the respective INVALID button.
   A dialog box appears as shown in the following figure, which displays the errors related to the product.
   
7. Correct the issues and then again click the Validate icon to validate the product.