Current Customer
Current Bookings
To change the customer code, access the Database Wizard per menu option below
Use 
to search for the current customer,
then enter the new customer code and click 
The current customer code is replaced by the newly selected code
All current bookings, attachments, invoices etc are modified to show the new customer code in the file name
Edit the customer record to change the organization name, address etc, you'll need to manually keep record of the old customer name, address etc in either the Notes tab or use the custom fields option
