Hello Tushar,

what about
Sub testUnion()
Dim x, y, z, w
x = Array(Array("a", "b"), "c")
y = Array(1, "b")
z = Array(1, 2, 3)
w = VBAUnion(x, y, z)
?

I would expect w to be = Array(Array("a", "b"), "c",1,"b",2,3)
Right? But it is not.

Regards,
Bernd