Customer and Vendor Lists
The primary place to view customers is Income -> Customers. You can search for customers and export a customer list by clicking the Export button. You can also export a customer list that can be used for editing and reimporting by going to Income -> Customers -> Export/Import Edit Tool. Another place to view a list of all of your customers is Income -> Reports -> Billing -> Customer List.
The primary place to view vendors is Expenses -> Vendors. You can export the list of vendors by clicking the Export button. You can also view vendors by going to Expenses -> Reports -> Vendor Lists/Labels.