You can recover a BKF file in Windows 10 or Windows 11 by using a dedicated BKF Recovery Tool. If the BKF file is corrupted or inaccessible, first make a copy of the original file and avoid modifying it. Then, install and launch the SysInfo BKF Recovery Tool and click Open to add the BKF file. Select the appropriate scan range and start the recovery process. The software scans the backup file and displays the recovered folders and files in a tree-like preview. You can verify the required data and select the files you want to recover. Finally, choose a safe destination and click Save to export the recovered data. The tool supports BKF files created by Windows NTBackup and Symantec VERITAS Backup Exec and provides Standard and Advanced scanning modes for different levels of corruption. This approach is useful when the BKF file cannot be opened normally in Windows 10 or Windows 11.