ExcelFile.SaveHtml Method (String, HtmlExporterOptions, Boolean)

Saves the data from used range of the active worksheet to a new file in HTML format.

public void SaveHtml(
   string filePath,
   HtmlExporterOptions options,
   bool indented
);

filePath: File path.
options: Options that describe exporting process. If the value is null, new HtmlExporterOptions is created with HtmlExporterOptions.ShowColumnLetters and HtmlExporterOptions.ShowRowNumbers set to true.
indented: Saved file will use XmlTextWriter with Formatting property set to Formatting.Indented.