Community
This is impossible. You would have to either have someone with 2015 save the files down to a 2013 format, or create the NWCs from 2013 to begin with.
Shawn B.
| 
To help improve Autodesk Products, please Click Here to Vote for ideas and submit your own.
| To help improve Autodesk Products, please Click Here to Vote for ideas and submit your own.
Can't find what you're looking for? Ask the community or share your knowledge.
Post to forums
![Autodesk Design & Make Report](https://forums.autodesk.com/t5/image/serverpage/image-id/1350519iCB55845EBFC43016/image-size/large?v=v2&px=999" "Autodesk Design & Make Report")