Workbook.CalculationVersion Property (Excel)
Returns the information about the version of Excel that the workbook was last fully recalculated by. Read-only Long.
Syntax
식 .CalculationVersion
식 A variable that represents a Workbook object.
Remarks
If the workbook was saved in an earlier version of Excel and if the workbook hasn't been fully recalculated, then this property returns 0.