Short description of BKF Recovery - Corrupt BKF File Repair 8.05.01: Nucleus BKF Recovery, corrupt bkf file repair tool, repairs corrupted backup archive files corrupted due to backup interruption, virus attacks or CRC errors. Nucleus BKF file recovery is a professional backup file repair tool to repair corrupt backup (BKF) files. Nucleus BKF file recovery, corrupted backup recovery software supports all files created with ntbackup.exe in Windows, as well as BKF files created with Veritas Backup Exec.