True if the workbook uses the 1904 date system. Read/write Boolean.
Example
This example causes Microsoft Excel to use the 1904 date system for the active workbook.
ActiveWorkbook.Date1904 = True
True if the workbook uses the 1904 date system. Read/write Boolean.
This example causes Microsoft Excel to use the 1904 date system for the active workbook.
ActiveWorkbook.Date1904 = True