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.

This month's monster security patch for Office breaks Excel when it tries to open HTML files, and it seems unlikely Microsoft will fix the problem Excel users are reporting an odd bug in the way Excel ...

Q: In setting up a new computer, I learned the version of Microsoft Office I was using on my old machine was too old to work with Windows 10, which is what came installed on my new system. To ...

How to convert XLS and JSON files to CSV in Linux with csvkit Your email has been sent Sometimes you just need a quick means of converting a spreadsheet to a comma-separated values file. When you ...

PDF or Portable Document Format is one of the universally accepted document formats. Still, if you prefer .rpt format, try the following suggestions to open .rpt file in Windows 11/10. Convert .rpt ...

Microsoft Excel spreadsheet files, or XLS files, can be converted into XLA add-in files, designed to attach to Excel installations and add information or functionality seamlessly to the Excel ...