Many Magento users search to change attribute set of product to other targer attribute set ,Now you can use mass function for done this operation  just with few click .
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Features : 

• mass operation
• guard configurable product (you can define from system configuration if you want add automaticly the mised configurable attirbute to taget attribute set or ignore operation )
• dynamic TreeMassAction (get attribute set list from db)

Our new Extension Magento 2 Change Attribute Set  work perfectly (Free and  Open Source) , you can select in grid all products wanted andd apply mass action to change ….
Get This Magento 2 Extension