The active cell is the single active cell within the current selection. To retrieve the entire selection, use the RangeSelection property.
To set the active cell, use the IRange.Activate() method.
Target Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family, Windows Vista, Windows Server 2008 family