4.1 PidTagMessageClass Property Values for Different File Types

The following table shows how the PidTagMessageClass property might be set for different file types.

File extension

PidTagMessageClass property value

.doc

IPM.document.Word.document.8

.docx

IPM.document.Word.document.12

.xls

IPM.document.Excel.Sheet.8

.xlsx

IPM.document.Excel.Sheet.12

.ppt

IPM.document.PowerPoint.Show.8

.pptx

IPM.document.PowerPoint.Show.12

.txt

IPM.document.txtfile