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 ...

While it is technically possible to open an Excel file in Notepad, this is not a good idea. Excel files are binary files that contain complex formatting and data structures. When you open an Excel ...

Microsoft went to the Open XML Format for its Office documents beginning in 2007. The Open XML format files are smaller than previous file formats. An Excel Workbook 2007 or 2010 business file ...

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 ...

I'm hearing rumblings about some of our APAC users taking minutes at a time to load excel files over the network from the local file server. This seemed to start about 3 weeks ago, the troubleshooting ...