however if you want to create different part number too in Windows explorer than u have to try File>Save Management>Save as and rename the parts according to your choice and finally propogate directory
Regards
Hello Mike (I guess that's your name)
There is one alternate way out to this problem which you can try Go to Tools>Product Management
here give the new Product name and click on apply similarly select the part and give new part names to it and click apply
finally save your assembly and...