excel split
' A2 = "aaaa-bbb-ccc"
' First column / item, separator "-" -> aaaa
=LEFT(A2, SEARCH("-",A2,1)-1)
' Middle column / item -> bbb
=MID(A2, SEARCH("-",A2) + 1, SEARCH("-",A2,SEARCH("-",A2)+1) - SEARCH("-",A2) - 1)
' Last column / item -> ccc
=RIGHT(A2,LEN(A2) - SEARCH("-", A2, SEARCH("-", A2) + 1))