Reference>IXLSWorksheet>StandardHeight

Returns or sets the standard (default) height of all the rows in the Worksheet, in pointers. Read/write Double.

Syntax

property StandardHeight: Double;

This example sets the height of row one on Sheet1 to the standard height.

With Workbook.Sheets[1] do begin
   Cells.Rows[1].RowHeight := StandardHeight;
end;