File Formats: Microsoft Excel Spreadsheet (XLSX/XLS) - Namespace - Raster, Medical, Document Help

File Formats: Microsoft Excel Spreadsheet (XLSX/XLS)

The XLSX and XLS file extensions are used for Microsoft Excel spreadsheets, part of the Microsoft Office Suite of software.

XLSX/XLS files are used to store data such as numbers, formulas, text, and drawing shape.

XLSX is part of Microsoft Office Open XML specification (also known as OOXML or OpenXML) and was introduced with Office 2007. XLSX is a zipped, XML-based file format. Microsoft Excel 2007 and later uses XLSX as the default file format when creating a new spreadsheets. Support for loading and saving legacy XLS files is also included.

XLS is the default format used with Office 97-2003. XLS is a Microsoft proprietary Binary Interchange File Format. Microsoft Excel 97-2003 uses XLS as the default file format when creating a new document. Support for loading and saving XLSX files can be added using an add-in.

Note: XLSX and XLS file formats are supported in the Document/Medical products.

LEADTOOLS supports all the flavors of the Microsoft Excel spreadsheet format, from Office 97 XLS up to today's XLSX.

LEADTOOLS supports loading XLSX files through the XLSX filter.

LEADTOOLS supports loading XLS files through the XLS filter.

Additional features supported by LEADTOOLS:

The default extension used by this format is: XLSX or XLS.

The file constants associated with this file format are:

Required DLL: Leadtools.Codecs.Xlsx.dll or Leadtools.Codecs.Xls.dll. The XLSX file format requires .NET Framework 3.5 or later and the DocumentFormat.OpenXml.dll (ver. 2.*). For a listing of the exact DLLs needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Platforms: .NET 4, .NET Standard

NOTE: LEADTOOLS supports writing the XLS file format using the LEADTOOLS Document Writers. For more information on the LEADTOOLS Document Writers SDK, refer to Introduction.

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