they would need X5 to use your .plan file ( older cant open newer I think) but DXF>All Floors might work , not sure what other options Pro 2014 has for exporting files...
M.
I can export in a number of AutoCAD compatible formats. Since CA10 came out in 2005 I'm trying the line that offers 2004/2005/2006. I wonder how much information get lost in translation.