Sometimes backup file gets error message like backup file contains unrecognized data and cannot be used, in such type problem you should need BKF Recovery Software repair virus infected BKF file. Due to these reasons, MS BKF file became inaccessible. At this time, you need outstanding BKF recovery tool which is capable to repair BKF file from corrupted Windows backup files. First you just need to download the bkf file repair tool and then install it, after installing choose one of the options between Deep and Quick scan for the BKF file recovery, then select the corrupt .bkf file and click on ok to start the loading process, after completing the loading process to repair BKF file our software will show you the preview of meta data inside the bkf file, you can right click on any file to view the condition of that file weather its corrupt or healthy, and you want to recover that file or not. To restore that data after viewing it with the demo facility you have to pay for the full license only $89 and after activating demo into full version you can extract the entire database save in your backup file.