What Is a BKF File?

In Microsoft Windows previous editions, there was a built-in backup tool called the NTBackup, using which, users can backup their significant data on a regular basis. Even in the later versions, this utility can be downloaded for the purpose of taking backups. Backup files thus created using this backup utility of Windows have .BKF as their file extension. Now, this NTBackup as well as other backup tools like Symantec VERITAS backup Exec also creates same types of backup files, which also have .BKF as their file extension. So, BKF files are basically the backup files of your system. These files are very crucial as they hold a lot of significant and valuable data of any user or organization. However, such files are also susceptible to corruption. Though corruption chances are less but it cannot be averted completely, because even these files are also not 100% free from corruption just like any other computer data files. So, whenever such BKF files are subjected to corruption, data loss chances mount.

BKF File Size Too Large Issue

Sometimes, while taking the backup of enormous data, the size of a backup BKF file can go huge. In most of the cases, it does not happen, because users have the habit of taking backups at regular intervals so usually whenever they take the backup, the data is not piled up. But in case, some users are taking a backup after a long time, then their BKF files would be very huge in size.

Extract BKF Data Using Filters

Now, sometimes, while restoring data from a big-sized BKF file, the user might not need to restore the entire data; he might need to extract only a few individual files from that large BKF files. This can be done by using the commercial BKF Recovery software which helps in extracting data from big BKF files using some filters, as follows:

Extract with Particular File data

Sometimes, some users do not wish to restore whole of the data from any BKF file; and he wants to recover only some individual files from the large backup file.

  • Multilevel Scanning of the Big BKF File: This super-functional BKF Recovery tool aids in the recovery of data from backup files according to their corruption levels. In the instances where the BKF file is only minimally corrupted, the Quick-Scan mode of recovery works and must be chosen. In the cases of grave corruption levels, there is an option for the deep-scanning mode, which is suggested to be opted for. And for big files, where selective recovery works best, users can make use of Range-Based scanning. Range-based scanning works best in this case of big BKF files which we are talking about. Herein, the users can select a range if they wish to recover individual files falling in any particular range and not the entire huge BKF file. This BKF file scanning mode based on range helps in the scanning of only selective portion from the large sized backup file. User can define any particular range in percentage between ‘From’ and ‘To’ and start with the scanning process.
  • Selective Data Recovery from Large Sized BKF File: While carrying out the recovery with the help of this supreme solution for BKF data recovery, the users have the option either check or may be uncheck the files as well as folders that are not required to be recovered from that particular damaged BKF file. On doing this check/uncheck of selected items, this tool extracts only those file items that have been checked or selected by the user and not the entire file completely. So, this option is very useful in case of dealing with huge sized BKF files, wherein, the user does not wish to recover the entire data but only a few individual files from the big BKF file, which he can do so by checking/unchecking the items and finally a few individual files (the checked ones or the selected ones) will get extracted to the output file.


Sometimes, this also happens that restoring any large BKF file, some user wants only a few individual files to be restored and not complete data, which is not possible with manual way of doing data restoration, so this article has shed light on how to extract individual files from large BKF files.

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