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.

Does Excel open a Blank screen when you open an existing file? Microsoft Excel, for the most part, tends to work well, but there are times when it buckles and fails to perform even basic tasks. For ...

When editing a formula in a dialog box in Microsoft Excel, you might go to use the Arrow keys to move the blinking cursor to a different position. However, frustratingly and confusingly, doing this ...