NumberFormatLocal Property
Returns or sets the format code for the specified object as a string in the language of the user. Read/write Variant.
Remarks
The Format function uses different format code strings than do the NumberFormat and NumberFormatLocal properties.
Example
This example displays the number format for the data labels in the first series on the chart, in the language of the user.
MsgBox "The number format for the first series is " & _
myChart.SeriesCollection(1).DataLabels.NumberFormatLocal