Files created using Windows Backup software gets corrupt or damaged due to many cases such as backup interruption, backup meda failure or accidental system shutdown. If you face a backup corruption issue and are unable to extract your files from BKF file created by NTBACKUP.exe then get the powerful BKF repair tool to recover and extract bkf files from corrupt ms backup archives showing error message as “backup contains unrecognized data” or “inconsistency occured in backup file”.