file types

Is there a good way to do this? I currently have version 21 all the way to 24 (will be upping my product support tonight to v26). I tried to import and keep existing geometry as I work with Inventor but wasn't able to achieve any real results for features I could work with. Any thoughts? I think...

I am new to Atom 3D (V22)... Every time I "Export" the finished part, it always comes up to export as ".stp" and then I have to scroll down to the bottom of the file types to select ".stl" It would nice if I could set this somehow to ".stl" as the default. Could this be done in settings? - I...