Exchange BKF repair Software - Version 2.0 Exchange BKF repair software introduced for repairing and restoring backup files of exchange like EDB, STM and Log etc with additional stuff. You can select as many files as you want to repair at a time. Exchange BKF repair software performs precisely and runs with all versions of exchange and windows. Exchange BKF repair software free of cost demo version given on website that helps you in checking the efficiency of software. if you find it efficient for your exchange server then go for license version of Exchange BKF Recovery Software cost 189 USD.