Export/Import Settings
When many products share the same choices of extra items, it’s possible to add a fixed list of products to multiple products as Bought Together by using the Import/Export settings button.
There is a little button under the Selected list:
After pressing this button, users can copy the data and paste into another product using the same button again.
You can adjust the product ID, SKU, quantity and price within the ” ” brackets to quickly change the settings as well.