Needs to put quotes around numeric data in export text file

Hi
- I'm trying to export the data from crystal report to a disk file in a CS/ tab seperated format.
-The export file contains quotes around text fileds
- Is there any way to get quotes around numerical data?
Thanks in Advance :)
Bashayou need to have that in report itself
Create formula and write code
""""+Cstr({Field})+""""