Maybe...

XL: Error Message: Too Many Different Cell Formats
http://support.microsoft.com/default.aspx?scid=213904

A few people have said that OpenOffice.Org has been able to open the file. Then
they clean it up and save it there. Then excel can open that cleaned up
version.

http://www.openoffice.org, a 60-104 meg download or a CD

wrote:

How do I find the number of different cell formats that my Excel Work
book has?

I don't want to hit the "Too many different cell formats" limit.

--

Dave Peterson