Place language translation files in this directory (*.po and *.mo files). Translation files should be named following this convention: contact-form-7-to-database-extension-ll_CC.po contact-form-7-to-database-extension-ll_CC.mo Where: "ll" is an ISO 639 two- or three-letter language code http://www.gnu.org/software/autoconf/manual/gettext/Language-Codes.html#Language-Codes "CC" is an ISO 3166 two-letter country code http://www.gnu.org/software/autoconf/manual/gettext/Country-Codes.html#Country-Codes NOTE: Strings that decorate DataTable widgets use a different i18n file. Look at the file: dt_i18n/README.txt for more information How can I create a new translation file? - Follow the instructions at http://cfdbplugin.com/?page_id=7