CSV is somewhat okay-ish. Excel, not so much (thanks Excel for discarding the important leading zeros in this field, and for lossily parsing the other as a dat

CSV is somewhat okay-ish. Excel, not so much (thanks Excel for discarding the important leading zeros in this field, and for lossily parsing the other as a date... oh, this Excel file is so big it got the "XLSB" treatment which is hard to undo)