Hi, My question is similar to past questions asked regarding what to do when a class to be deserialized does not have a default constructor. I'm wondering, though, if there is any better way to support both the BINARY and TEXT archive types, than doing this: class MyClass { public: MyClass(int myVar); MyClass( boost::archive::text_iarchive & ar ) { ar >> *this; } MyClass( boost::archive::binary_iarchive & ar ) { ar >> *this; } friend class boost::serialization::access; template<class Archive> void serialize(Archive & ar, const unsigned int /* fileVersion */ ) { ar & myVar; } private: int myVar; } Specifically, I'd rather not have to have a constructor for each type of archive! Thanks :) Danny