Export To Excel NAV 2009 R2 RTC

hello,
I have a problem to export a table with RIM NAV 2009 R2 RTC.
the table contains 20000 registration. when I export to excel it displays me the following error message: "The file you are trying to use is too large"

urgent

Please dont use these kind of words.

If it is urgent then contact Microsoft…

Use Exel Buffer Table and Function of that table…