This ability has never existed in Pro/e and still does not exist in Wildfire.
: i have since read that thisi is not the case but there is a file : type we can save to so we can open it in an earlier version (minus : parametric and other stuff) : If you go to 'File>Save a copy', the input screen shows your file name at the bottom and a line that identifies the Type as a 'Part file'. This file type identification box has a down arrow at the right which, when pressed, produces a list of available export formats. These are non-parametric and not version dependent. One of the more popular and widely used and supported is IGES. You can export your file data to this format, then create a non-parametric solid or surface, single import feature part in an earlier version of Pro/e. Built into Pro/e are various surface modification tools for working with IGES imported surfaces. While these export formats have many different uses (for example, STL is a format used by stereolithography machines), they can also be used by other programs (UG, Catia, AutoCAD, etc) to communicate 2d and 3d data.
David Janes