[]
Gets or sets the cell separator character used when saving CSV content.
This character is used to enclose cell text in the exported CSV data. The default value is '"'.
public char CellSeparator { get; set; }
Public Property CellSeparator As Char
CsvSaveOptions options = new CsvSaveOptions();
options.CellSeparator = '\'';
char cellSeparator = options.CellSeparator;
workbook.Save("path/to/output.csv", options);