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.
Simplify Excel file sharing and exporting. Learn how to collaborate in the cloud, email files, and manage formats with ease.
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 ...