Login to Back Office > go to ‘Settings’ from the left menu > select ‘Admin Settings’ from the submenu of ‘Settings’ > select ‘Clone Shop’ tab > select shop in the drop-down option of ‘Clone From’ and in the drop-down option of ‘Clone To’ > click on ‘Clone’ button to import all data of shop. (clone any shop to another shop) 
Note: If you want to clone only common data in 2 shops then click on the ‘Clone Common’ button and if you want to clone newly added data then click on ‘Clone New Items’.