Aspose::Cells::Startup();

//Source directory path
U16String dirPath = u"..\\Data\\LoadingSavingForMetadata\\";

//Output directory path
U16String outPath = u"..\\Data\\Output\\";

//Paths of source and output excel files
U16String samplePath = dirPath + u"sample-metadata-properties.xlsx";
U16String outputPath = outPath + u"output-metadata-properties.xlsx";

//Load the sample excel file
Workbook wb(samplePath);

//Modify built-in title and subject properties
U16String strTitle = u"Aspose.Cells New Title";
U16String strSubject = u"Aspose.Cells New Subject";
wb.GetBuiltInDocumentProperties().SetTitle(strTitle);
wb.GetBuiltInDocumentProperties().SetSubject(strSubject);

//Save the output excel file
wb.Save(outputPath);

Aspose::Cells::Cleanup();