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Gets or sets whether superscript formatting is applied to the font.
Setting this property on Font affects all text in the range. To format only part of the text, call IRange.Characters(int, int) to get an ITextRun, and then use Font.
bool Superscript { get; set; }
Property Superscript As Boolean
IRange cell = worksheet.Range["A1"];
cell.Value = "E=mc2";
// Apply superscript only to "2".
IFont font = cell.Characters(4, 1).Font;
font.Superscript = true;
bool superscript = font.Superscript;