Since you cannot export product details and photos, you will need to add them manually. After importing your products successfully you can search for them on the main dashboard and select Edit Options to update and make changes.

1. In the search type the name of the product you want to edit or alternatively you can simply scroll down the list.
   
   
2. Select Edit Product. A drop-down with a list of options will appear.
   
   
3. After selecting Edit Options, you will be taken to a dashboard that allows to you make changes to the product from attributes, related products, price, etc. Here is where you can optimize your storefront and make customizations to your products and how they are displayed.