The XLS file extension is used for Microsoft Excel worksheets. Excel is a popular spreadsheet program used with data like numbers, formulas, text, and drawing shapes. Excel is part of the Microsoft Office Suite of software. XLS files use a Binary Interchange File Format to store spreadsheet data and are proprietary to Microsoft.

LEADTOOLS supports loading XLS (97-2003) files through the XLS filter.

The default extension used by this format is: XLS.

The file constants associated with this file format are:

Required DLL: Leadtools.Codecs.Xls.Dll. For a listing of the exact DLLs needed, based on the toolkit version, refer to Files To Be Included With Your Application.