See Importing Advertising Methods for information on importing advertising methods from a file.
See Exporting Advertising Methods for information on exporting advertising methods to a file.
See Importing Customers for information on importing customers from a file, including the default advertising method for each customer.
See Exporting Customers for information on exporting customers to a file, including the default advertising method for each customer.
(See also Using Data Exports for Batch Editing.)
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