Thanks for the reply Chris... I can change the Bar1.Title = "Uptime %", but what I also need to do is change the "Text" header for the x-axis label (which in this particular case represents "Hour") to "Hour" which is what is actually the text displayed on my x-axis. Is this possible or will "Text" (...

I'm using the following to export to a csv file: m_Chart.Export().Data.Text.TextDelimiter = ", " m_Chart.Export().Data.Text.TextLineSeparator = vbCrLf m_Chart.Export().Data.Text.IncludeHeader = True m_Chart.Export().Data.Text.IncludeLabels = True Dim ms As IO.MemoryStream = New IO.MemoryStream m_Cha...