SysInfoTools MS Exchange BKF Repair - Version 1.0 Exchange BKF Repair from SysInfoTools is an efficient and powerful tool that allows user to restore data from corrupt Exchange BKF files.This tool is highly efficient powerful tool to recover .edb,.stm and log files from corrupt Exchange BKF Files.Exchange BKF Repair from SysInfoTools is extremely easy to use with highly interactive user interface that provide proper guidance to the user at every step of recovery process.We required our customer to try free demo version of the software before making any purchase. Demo version is fully functional except saving option is disable in demo version.