How do I update a customer's information? Workful Support December 27, 2017 19:45 Updated Follow Click on any image below to view it larger. From your POS portal, click “CUSTOMERS” from the main menu. Click the customer you would like to edit. Click “mode_edit EDIT”. Update the customer’s information. Click “SAVE”. Related articles Payment Processing Glossary How do I add sales tax information? Comments 0 comments Please sign in to leave a comment.