vba - looping through an unknown range of rows in excel -


say have 5 columns , god knows how many row. cells in range populated except few cells in last column. need loop through rows (starting in a1) until last row, , each row has cell populated in last column, display message box saying "hello"

i'm unsure how start loop. i've tried googling, dont understand. know how i'd check empty cells, , how diply message box, not how find end of range.

additional variant side

dim cl range activesheet     each cl in .range(.[a1].currentregion.columns(5).address)         if cl.value <> ""             msgbox cl.address(0, 0) & " has value (" & cl.value & ")"         end if     next cl end

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