Selects the address book that's used as the data source for a mail merge operation.
Syntax
expression.UseAddressBook(Type)
expression Required. An expression that returns a MailMerge object.
Type Required String. The address book to be used as the mail merge data source. The string corresponds to the application's file extension, as specified in the registry (for example, "olk" for Outlook, "scd" for Schedule+, or "pab" for the Personal Address Book).