I use xlcompare for comparing Excel. It creates very good diff reports of Excel features (including formatting, formulas and Macros). I often use it for simple

I use xlcompare for comparing Excel. It creates very good diff reports of Excel features (including formatting, formulas and Macros). I often use it for simple CSV compares. Be warned, it does crash occasionally https://www.xlcompare.com https://www.xlcompare.com