It't not possible to move wallet files from windows version to mac.
ERROR /Users/wallets/boolberry/src/common/boost_serialization_helper.h:45[bool tools::unserialize_obj_from_file(t_object &, const std::string &) [t_object = tools::wallet2]]Exception at [unserialize_obj_from_file], what=incompatible native format - size of long
2017-Dec-16 00:04:18.642606 ERROR /Users/wallets/boolberry/src/wallet/wallet2.cpp:661[void tools::wallet2::load(const std::string &, const std::string &)]!r. THROW EXCEPTION: error::file_read_error
2017-Dec-16 00:04:18.642641 /Users/wallets/boolberry/src/wallet/wallet2.cpp:661:N5tools5error15file_error_baseILi2EEE: failed to read file "wallet"
2017-Dec-16 00:04:18.642735 Error: failed to load wallet: failed to read file "wallet"
I'm using same version of wallet from here:
http://boolberry.org/downloads.html