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Specifies the type of Excel workbook - used by IsExcelFile and IsExcelStream.
public enum ExcelWorkbookType
Public Enum ExcelWorkbookType
| Name | Description |
|---|---|
| BIFF | Uses BIFF - Binary Interchange File Format, the .XLS file format |
| None | None - the return of IsExcelFile or IsExcelStream is false |
| OOXML | Uses OOXML - Office Open XML, the .XLSX file format |