Wed May 04 07:47:50 GMT 2022 excelOther than native excel library and CSV, look like we can just use tab (\t) to separate the columns: http://www.devx.com/Java/Article/31356/1954?pf=true check cell value exist in another column - http://stackoverflow.com[..]olumn-and-then-get-the-value-of-the-next http://stackoverflow.com[..]in-column-a-contains-value-from-column-b Remove duplication from Excel - https://www.freecodecamp.org[..]in-excel-delete-duplicate-rows-tutorial/ (google search) (amazon search) second |