In Excel 2003, the maximum combinations of cell formats allowed is 4000. In Excel 2007 and later versions, the maximum number of combinations allowed is 64000.

Q. I have an Excel spreadsheet that contains errors because some of the numbers that are part of the calculations are blank or zero. Is there a way to have Excel automatically return something instead ...

This tutorial shows you how to fix and remove #DIV/0! error in Microsoft Excel by using the IFERROR or ISERROR function.