hello, need sum assistance here pls. anyone -someone

hey ppll,

well i needed sum help here. i ve my contact base data on my labtop in cdb. format and which is not opening –even tried searching it on goolge but not lucky yet.

or how to convert a cb file to a pst. ?
(kindly provide link pls.)

pls. assist.
email
gurpreetsoni@hotmail.com