Here's an article you may find interesting if you have questions on Excel
2007.

Improving Performance in Excel 2007
http://msdn2.microsoft.com/en-us/library/aa730921.aspx

In "Overview" near the top...

"Unique cell styles in a workbook Increased from 4,000 to 64,000."

--
Dana DeLouis


"Bob Ng Kai Sin" wrote in message
...
Thank Daivd.

I have search through the google site but it seem like this problem apply
to
excel 2003 and below, even Microsoft site state that too. But does the
problem occur on excel 2007?
--
Thank You
Bob


"Bob Ng Kai Sin" wrote:

My director was hit with "Too many different cell formats" on his
Japanese
version of excel 2003. I would like to know whether the problem was
solved or
extend the limitation on excel 2007?
--
Thank You
Bob