Poser uses a totally different collating sequence from Windows. I think it's more like Unix and it is case sensitive. And XP has some subtle differences over previous Windows versions. So it can really drive you nuts when you're trying to organize using Explorer...especially if you're new to either Poser or XP. Ascii isn't ascii. LOL. And this from someone who used EBCDC for years (been so long I can't even spell it anymore). So putting things in order in my Poser folders is a real trial for me. So basically what Charlie said. Lower case comes after uppercase (backwards) in Poser. Also '_' comes AFTER everything else, not before. But '!' always goes to the head of the class.