Ahh, yes:
* the machine that depends on the data was brought into service before you were born
* the programmer who wrote the original software in VB died of cancer--10 years ago
* the first machine operator who spec'd out the software retired--after a long and full career
But you, having been here 6 whole months, decide that it's time to move this folder because it's stupid that it's not with all of the other similar files?
Thus: Steve's Rule of Enterprise Systems: if you yourself don't fully understand why it is the way it is, don't touch it.