How to change Date format of the Success Factors model?

Hi Team

We have created a storyboard with the Success Factors data source model. It contains user id, user name, and Date of joining fields.

Crosstab: Export data into CSV file and date of joining format is MM,DD,YYYY, here how to change date format like DD.MM.YY.

Please help on the above issue.

Thanks,

Chandrasekhar