Is this a pivot chart? If so, loss of formatting is a known problem.
There's some info in the following MSKB article, which suggests using a
macro to reformat the table as required:
http://support.microsoft.com/default.aspx?id=215904
If that's not it, what is the source for the chart data?
Steve wrote:
> With Excel 2003, having built a chart, i enable Data values on inside Ends
> of the bars and save. I re-open the excel sheet/chart, Auto update window
> shows, I select to enable the autoupdate. Immediately, the Data values
> dissappear off the chart.
>
> Anybody else seen this and know a work-around?
--
Debra Dalgleish
Excel FAQ, Tips & Book List
http://www.contextures.com/tiptech.html