Returns or sets the state of the command underlines in Microsoft Excel for the Macintosh. Can be one of the following XlCommandUnderlines constants: xlCommandUnderlinesOn, xlCommandUnderlinesOff, or xlCommandUnderlinesAutomatic. Read/write Long.
Remarks
In Microsoft Excel for Windows, reading this property always returns xlCommandUnderlinesOn, and setting this property to anything other than xlCommandUnderlinesOn is an error.