Find Items in one column that are not in another column Select the list in column A Right-Click and select Name a Range... Enter "ColumnToSearch" Click cell C1 Enter this formula: =MATCH(B1,ColumnToSearch,0) Drag the formula down for all items in B If the formula fails to find a match, it will be marked #N/A, otherwise it will be a number. If you'd like it to be TRUE for match and FALSE for no match, use this formula instead: =ISNUMBER(MATCH(B1,ColumnToSearch,0)) If you'd like to return the unfound value and return empty string for found values =IF(ISNUMBER(MATCH(B1,ColumnToSearch,0)),"",B1) MY Example: Formula:=IF(ISNUMBER(MATCH(A2,C:C,0)),"",A2)