saving SW2007 to earlier versions?

STEP, IGS, etc are all dumb solids so they can be opened by an older swx version, as well as other cad packages. Dumb solids means you can't access the features that created the solid.

hth bill

As Bill said, any file format you save it in will only get you a dumb solid. The best format is usually Parasolid, since that is the native SolidWorks format and there are less translation problems. If the people running SW2005 have FeatureWorks, they can try to rebuild the feature tree, but it can be a lot of work and doesn't do a good job on tricky stuff like swoopy shapes.

You might need to save as an older version of Parasolids, one that SW05 can read.

Jerry Steiger Tripod Data Systems "take the garbage out, dear"

If the part isn't overly complex, you can save your 2007 part as an IGES or parasolid (recommended) as dumb models. Then, if you need to restore the feature tree, use FeatureWorks. Start with superfacial features first, like drafts and fillets, and work towards the base features next.

Matt