Before you can import the Shopify listings you need to have added your Shopify account to Expandly. If you haven't already click HERE for the guide on how to add it.
Click on listings.
Now click on Shopify then select Manage Shopify Listing.
Now on the Manage listing page, Just press the Import Listed Products (Shopify) button on the top right hand side of the page and it will then download all of your listings.
Congratulations you have successfully imported your Shopify listings. It will display all of your listings on this page.