XLS is the default file type for Microsoft Office Excel files. It is compatible with nearly all programs that read spreadsheet files. If you are looking to manage your spreadsheets while you're on the ...

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 you double-click on a file in Windows, it will automatically open a default program that is configured to manage these types of files. It is common, though, want or need to use a different ...

MicroXLSWriter creates .xls files using a small subset of the BIFF2 file format, which is the format used by Excel 2.0 circa 1987. The BIFF2 format is simpler than modern versions of .xls files that ...

Have a Numbers file that you need to convert to an Excel document? Numbers spreadsheets and files can be easily converted to Excel files, with the resulting Excel file being either a .xls or .xlsx ...