Sorry, I don't know enough about Microsoft Graph to comment on it. I do
almost all of my graphs in Excel or program called Sigma Plot cuz I
usually have to crunch the numbers a lot before I end up with something
graphable. In Excel, the order of the input spreadsheet DOES dictate
the default order of the series. For example, if you have four series
of data in columns A, B, C, and D, and there are overlapping data points
among some or all of the series, then the column A chart line will be on
top of the column B chart line, B will be on top of C, and D will be on
the bottom. Excel lets you change the default order using Format ->
Selected Data Series -> Series Order. The only thing I don't especially
like about Excel is that if you choose to display a chart legend, the
order of the legend is always "backwards" from the user-specified or
default order (e.g., series D, C, B, and A from left-to-right or
top-to-bottom in the legend box), and you can't change that.
--garfield-n-odie