how many columns does an excel sheet have
Rating Newest Oldest. Best Answer: Excel 2003 and earlier has 16,777,216 cells per worksheet (65,536 rows * 256 columns). Each cell can hold 32,767 characters. Each workbook can contain unlimited worksheets (limited by system memory). Excel 2007 has 17,179,869,184 cells per worksheet (1,048,576 rows * 16,384 columns).