ACE Retail POS can maintain a record of a customer's transaction history. This lets you view each transaction in further detail. This is not only helpful for keeping records, but can also be useful for review and analysis. 

Step-by-step guide

1. Go to Operations  > Customers  > Customers.

2. Type a customer name in the Search bar.

3. Click on History at the top of the Customer Maintenance screen.

4. The List of Customers screen will show the customer sales history. 

5. Click on any line to highlight it, then double-click or hit Select

6.  The Re-Visit screen will open with details of the transaction. 

7. Click on Quit to leave the Re-Visit screen and return to the Customer Maintenance screen.