I don't think I even work with very large Excel sheets, but our massive master sheet of 1mil+ rows (with about 15 columns) regularly causes Excel to sputter and

I don't think I even work with very large Excel sheets, but our massive master sheet of 1mil+ rows (with about 15 columns) regularly causes Excel to sputter and die. I'd rather not use it, but anything to make it work better would be awesome.