Extract MS Backup File - Version 5.4.1 How to extract corrupt MS backup file? While you are working on NTBackup backup data, some error message occurred and BKF file doesn't open properly. In that case, you need to repair it, so try BKF recovery tool to Extract MS backup file instantly. Ms Backup recovery software has some exceptional or advanced feature to open MS backup file which are not found in third party MS backup recovery software. The main feature of third MS backup recovery software is that it does not backup database content i.e. It maintains data integrity and reliability. Before buy full version of a corrupt backup recovery tool you can check its performance using DEMO version MS backup recovery software.