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.

If Microsoft Excel fails to recognize a file in the XLSX or XLS format, the data contained in the file could be corrupted. When you open a corrupted workbook in Excel, the program should automatically ...

When an Excel file goes haywire, don’t give up hope. Using one of these recovery tricks, you may still be able to salvage the data. When an Excel file goes haywire, don’t give up hope. Using one of ...

how the SAS/ACCESS interface works. XLS files contain data in the form of Microsoft Excel spreadsheets. Unless otherwise noted, Excel 4 and Excel 5 files are referred to collectively throughout this ...

Here are some methods to reduce the size of an Excel file on Windows 11/10. A lot of users have reported experiencing issues due to the large size of their Excel workbook. While loading the file, ...