To use the info from the address book you need to use the ABnnnPPP macro. Values for nnn are To, From, Reply, OTo, OFrom and OReply Values are among others: Name, FirstName, Birthday, Country For a full listing see TB's help file: Macros/Full alphabetic list of macros
You'd need something like %ABToFirstName, but that'll only give you the first name of the first recipient.
If I read you correctly you want to use the names for all intended recipents. To do that you'll need a recursive template that picks all addressees.
Lucky for you a kind guy called Robin Anson wrote a template like that and had it added to the "Macro and sollutions library" at our official FAQ. This is a link straight to the template: Save the quick template on that page between your own quick templates and use the name "Greet_All_Recipients", as it is a recursive template it'll call itself so unless you go rewriting the thing yourself that name is important. In your regular templates you use %QT("Greet_All_Recipients") to call the template.
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