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.

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 ...

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 ...

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 ...

Q. I am interested to learn if it is possible to change the defaults in Microsoft Excel spreadsheets for various settings such as cell size, print margins, numeric rounding and establishing a standard ...