The right to data portability

Client data can be exported as a .csv file and given to the client in a machine-readable format.

Firstly, find the client records within CCD.  This can be done from within the Client or Admin Module (you can use Find Mode (CTRL F) to narrow down your search)
 
 Once you have the list of clients in CCD, click on Data > Advanced > Export Records.
 

A new box will appear: