Learn how to change the default file format for saves in Word, Excel, and PowerPoint, so that you do not need to change it every time.

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.

Regardless of the scenario, Excel has several options to reduce the size of the spreadsheet. For instance, you can save the file in binary format, change the resolution or compression of the ...

You can insert or generate the data for the CSV file in Microsoft Office Excel 2007 and then save the file in CSV format. CSV files outputted by Excel 2007 can be used in any program that can read ...