Sun's OpenDocument conversion plugin for Microsoft Office is now available for download. Released with little fanfare earlier this week, the plugin provides support for reading and writing ODF files ...

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.

When Microsoft rolled out Office 2007, the company made some fundamental changes to its file formats, updating them from binary files to XML-based packages. The default format for Excel 2007 followed ...

If you notice that your Excel files are opening in Notepad, then read this post to learn how to fix the issue. The default behavior of a document or file is to open in the application with which it ...