If you mean the number of series in one chart, 255 is your limit.
You can have 32000 points in one series, and 256000 points in one chart.

http://office.microsoft.com/en-us/ex...21033#Charting
for 2007
http://office.microsoft.com/en-us/ex...992911033.aspx for 2003
--
David Biddulph

"PVakerling" wrote in message
...
Is there a way to chart more than 255 bits of data; which is Excel's
limit?
If yes, is there a limit to that amount of data?

Thanks.