U have some answers & I do not know anything else to tell u. Good luck there has to b an answer somewhere that will help u. *
Tajima DG/ML by Pulse Ambassador (also free) will convert VIP, but not VP3.
vp3 and vip are Pfaff / HusqvarnaViking formats and their 4D software reads and converts them. I don't know of any free programs that do - only one I know is Wilcom and you say that does not, so I'm afraid I can't help you.
I would like to know if you still have a copy of the 4D software... we have the new D5. I got the Husqvarna Viking and we got the 4D design enhancer program but it will not work with the 5D frame work.. we can't find the 4D program.
Both Embird Sewwhat-Pro by Sands or S&S Computing will convert them but they are not free programs.