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Gets or sets whether user-defined but unused defined names are excluded when saving the workbook to an XLSX file.
If this property is true, unused defined names are omitted during export. The default value is false.
public bool ExcludeUnusedNames { get; set; }
Public Property ExcludeUnusedNames As Boolean
XlsxSaveOptions options = new XlsxSaveOptions();
options.ExcludeUnusedNames = true;
bool excludeUnusedNames = options.ExcludeUnusedNames;
workbook.Save("path/to/output.xlsx", options);