Supported Versions of Microsoft Excel

The Infragistics Excel Engine™ is capable of saving and reading Microsoft® Excel® files using the below formats.

File Formats	Enumeration	Notes
Excel 97-2003 Workbook (*.xls)	Infragistics.Documents.Excel.WorkbookFormat.Excel97To2003	Uses BIFF8 format.
Excel 97-2003 Template (*.xlt)	Infragistics.Documents.Excel.WorkbookFormat.Excel97To2003Template	Uses BIFF8 format.
Excel Workbook (*.xlsx)	Infragistics.Documents.Excel.WorkbookFormat.Excel2007
Excel Macro-Enabled Workbook (*.xlsm)	Infragistics.Documents.Excel.WorkbookFormat.Excel2007MacroEnabled	The Infragistics Excel engine does not support creating, parsing nor executing macros. If there are modules in a file that is loaded those will be included in the output when it is saved.
Excel Template (*.xltx)	Infragistics.Documents.Excel.WorkbookFormat.Excel2007Template
Excel Macro-Enabled Template (*.xltm)	Infragistics.Documents.Excel.WorkbookFormat.Excel2007MacroEnabledTemplate	The Infragistics Excel engine does not support creating, parsing nor executing macros. If there are modules in a file that is loaded those will be included in the output when it is saved.
Strict Open XML Spreadsheet (*.xlsx)	Infragistics.Documents.Excel.WorkbookFormat.StrictOpenXml	The Strict Open XML file format (ISO/IEC 29500 Strict).