XLS files are Excel workbook files created in Excel 97 or Excel 2003. The 2007, 2010 and 2013 versions of the program use the XLSX format by default to save workbooks, but can also use the XLS format.

Your computer's desktop is often the easiest and most convenient place to store files, especially those you use often. But the desktop is rarely Excel's default working folder. Instead Excel usually ...

If you spend a large part of your day dealing with boring, TPS-like reports, you've probably noticed that Excel 2007 won't let you put spreadsheets side-by-side on your multi-monitor desktop. Luckily, ...

If you use Microsoft Excel on your Mac, you can save the spreadsheets you create and open them in Numbers, Apple’s spreadsheet app. It’s a handy feature to use in case you can’t access Microsoft’s ...