Compare the best free Microsoft Excel alternatives for 2026, including features, pricing, pros and cons, and use cases for each spreadsheet tool.

XLS files are spreadsheet files created by Microsoft Office Excel. An Excel spreadsheet can contain anything from images and plain text to graphs and tables and can be opened using Excel. If a ...

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.

Free Editor is advised only if you really need a free editor, or an editor for multiple different formats. In our everyday lives, we use a number of different programs to edit the various file types ...

To many, free open source software and Microsoft Windows seem to be mutually exclusive. After all, the open source development model is most closely associated with the Linux OS and, to a lesser ...