Returns or sets the standard (default)
width of all the columns in the Worksheet. Read/write Double.
Syntax
property StandardWidth: Double;
Remarks
One unit of column width is equal to the width of one character in the Normal style. For proportional fonts, the width of the character 0 (zero) is used.
Example
This example sets the width of column one on Sheet1 to the standard width.
With Workbook.Sheets[1] do begin
Cells.Columns[1].ColumnWidth := StandardWidth;
end;