It seems our previous webshop is capable of exporting data to some extent. In this case it's simply the sku, product title and price. It would easen to process to some extent, I suppose.

Also I read up a bit more regarding Drupal for beginners. It feels like I've missed something important off Drupal, because I can't for the life of me see the point of ever using it for my own needs. Have so far not managed to get a hype over Drupal.