Split spreadsheet
Split a sheet every so many rows with the heading repeated, save each sheet as its own file, or make one file per value in a column such as Department.
XLSXXLSODSCSV
Split a sheet every so many rows with the heading repeated, save each sheet as its own file, or make one file per value in a column such as Department.
Cut a sheet into parts by row count, by sheet, or by the values in one column.