Encrypted File storage in Windows 8

Without using third-party software, it is indeed difficult for Windows to encrypt a single folder. However, since Windows Vista, BitLocker has been added to protect disk security. After upgrading to Windows 8, you can directly attach it to a virtual disk. Based on the above two factors, we can use VHD + BitLocker to save important private files to ensure data security.

VHD is not like a common file, can be created directly in the right menu, need to be assisted by disk management or third-party software, see: http://www.bkjia.com/ OS /201302/189765.html

Next, double-click the created virtual disk file to mount it and continue the next BitLocker encryption process.

Right-click the mounted Virtual Disk and choose enable BitLocker from the shortcut menu ":



After the BitLocker program initializes the drive, we can set an encrypted password. Here we use the password to unlock the drive. Select the corresponding option and set the password, and then click "Next ":



Next, back up and restore the key as needed to prevent the password from being forgotten.

Unlike passwords, the recovery key is a string consisting of 48 random numbers. Different encrypted drives have different identifiers. If this backup is lost, you can back up the recovery key under the drive corresponding to control panel-system and security-BitLocker drive encryption.



After the key is backed up, you can encrypt the drive. This process takes some time.



After the encryption is completed, the drive is unlocked.



When the virtual disk is mounted again, the error message "file cannot be mounted" is displayed:



At the same time, the unlock drive message will pop up in the upper right corner of the screen:



Click the message and enter the password to mount the virtual file that prompts the error. Click "more options" to use the reply key to unlock the disk:



To encrypt the decrypted drive, enter "manage-bde-lock X:" (X indicates the disk drive letter) in the command prompt run by the Administrator ), frequently Used files can be saved as batch files and run as administrators during use:



Or you can unmount/remove the disk or restart the computer to re-encrypt the drive.

Right-click the Virtual Disk File and select "pop-up" to detach the virtual disk. Similarly, in disk management, choose "detach VHD ", these two items are similar to removing a disk physically horizontally.



In disk management, "offline" corresponds to "online", which is a kind of disk management result of the Administrator.



Whether it is offline or separated, you need to re-enter the password after the disk is connected again.

This technique is mainly used to save private files locally. after use, the virtual disk can be separated (popped up) for deep burial. In addition, if you want to share all files on the disk, you can directly copy and move the Virtual Disk Files and mount them to other computers. However, in the XP system, BitLocker-encrypted files can only be viewed and cannot be edited.