Partial Scan Feature 
SysTools has added a new & advanced feature in the updated version 5.1, which is of "Partial Scan". In the recovery of large sized files, you can quickly do partial scan if you need only small amount of data from any large sized BKF file. If you want to extract only a small portion from any large sized BKF file, then use this feature of “Partial Scan”. 

For performing this function, click on “Actions” menu. Select "Partial Scan" option from the drop down menu as shown below: 

On clicking Partial Scan, you will see a window as shown below:  

What is this value? This value if the percentage of data that you want to extract from any large sized BKF file. (For example – if you choose 25% and insert the value above as “25”, then the software will recover only 25% of data from the selected BKF file.  

After Partial Scan completes, you can see the preview of selected files as shown below:

BKF Repair Download Instructions

Current Version:5.1

1. Click the Start Download Now button to begin the download.
2. If possible, save then install the BKF Repair installation program.
3. Run SysTools BKF Repair, scan BKF file, preview the files found in the BKF file and extract files & folders.