when i try to open the file it show too many different cell forma.
 

I am working on excel file about 5mb, while working suddenly file get closed
showing the message illegal operation.
Then after closing the file i try to open the same file, but it display
message " too many cell formats" and after that file is open but the
worksheets are not visible.

when i try to open the file it show too many different cell forma.
 

Addressed by Microsoft

http://support.microsoft.com/?kbid=213904

"too many cell formats" wrote:

I am working on excel file about 5mb, while working suddenly file get closed
showing the message illegal operation.
Then after closing the file i try to open the same file, but it display
message " too many cell formats" and after that file is open but the
worksheets are not visible.