Hi,
When I tried exporting products ,only columns in product listing in back-office are exported not all columns are exported.
If seo meta title, description ,keywords columns added in listing it will be exported.
We need to have feature to select column to be exported in export process.
PrestaShop Tutorials Videos [How to do Tasks]
https://www.prestashop.com/forums/topic/907438-prestashop-tutorials-videos-how-to-do-tasks/