This guide demonstrates how to edit XLS, XLSX, Xlsm, XLSB, ODS, SXC spreadsheets with hidden worksheets, protect edited spreadsheet with password and many other powerful features of GroupDocs.Editor for .NET....by many formats: XLS, XLSX, XLSM, XLSB, ODS, SXC and other, which...SpreadsheetSaveOptio ( SpreadsheetFormats . Xlsm ); saveOptions . Password =...