Rebuilding System Backup Database - Version 5.2 SysTools offers a tool for rebuilding system backup database and repair system restore database by using SysTools BKF Repair Tool. You can go through the procedure of recovery of corrupt BKF files for rebuilding system backup database. Backup BKF Restore Software supports recovery of files and folders from damaged BKF files created Windows NT, Windows 2000, Windows XP, and Windows 7. BKF Recovery process involves BKF restore carried out by exploring open BKF, search BKF and extract BKF options. You have to spend just $89 for rebuilding system backup database.