Go to
Supplier > Lists > List of Suppliers
This list of your customers appears
For easy location, enter the supplier’s name in the Search dialog box, and click the search icon. It displays the supplier’s name.
To edit a supplier, click on the Actions option on the supplier line and select the Edit option or you can click on the green supplier name link.
The supplier details appears, you can now edit the suppier’s info and click on “Save”.