Free way to open, access, unlock Bitlocker encrypted USB drive in macOS

Posted by Admin to Bitlocker for Mac on March 15th, 2017

Free Bitlocker for Mac: Dislocker

Dislocker is a free tool which uses FUSE driver to read/write BitLocker encrypted volume in Mac OSX/Linux. Dislocker is a tool to decrypt/unlock BitLocker encrypted volume from OSX or Linux developed by Romain Coltel. Dislocker uses a fuse based mechanism to decrypt the volume and mount it so that the user can access (read or write) the files within the volume.

Tutorial for how to use dislocker in macOS:


You need:
- Headers for FUSE;
- Headers for PolarSSL;
- A partition encrypted with BitLocker, from Windows Vista, 7, 8 or 10.

For Debian-like:
aptitude install libfuse-dev libpolarssl-dev
For Fedora-like:
yum install fuse-devel polarssl-devel


First thing to do is to cd into the src/ directory. Then, just install Homebrew ( and run the
following command:
$ brew install dislocker.rb
This will install dislocker.

Once installed, see dislocker(1) for details on how to use it, refer to dislocker documentation.

Dislocker is a command tool, so it is very complex for general users who don't have technical knowledge, but there is alternative tool for dislocker: M3 Bitlocker Loader for Mac, it provides easy-to-use UI makes operations very simple.

Easy-to-use Bitlocker for Mac: M3 Bitlocker Loader

M3 Bitlocker Loader for Mac is a commercial tool for Mac users to mount, open, access, read, write Bitlocker encrypted external hard drive and USB flash drive in macOS 10.14 (Mojave)/High Sierra 10.13, 10.12 and Mac OS X 10.11/10.10/10.9/10.8/10.7.

Tutorial to open/access Bitlocker encrypted drive on Mac computer

Step 1: Download, install and launch M3 Bitlocker Loader for Mac on Mac computer.

Step 2: Insert a Bitlocker encrypted drive: External hard drive or USB flash drive.

M3 Bitlocker Loader for Mac

Step 3: Select Bitlocker encrypted drive and then click "Unlock" icon to continue.

Open Bitlocker encrypted drive in Mac compputer

Step 4: Enter the password (or 48-digit recovery key) and then click "Unlock" to open/mount Bitlocker encrypted volume.

Mount Bitlocker encrypted volume in Mac compputer

Step 5: After Bitlocker encrypted drive is mounted, you can drectly operate this mounted Bitlocker encrypted drive as a normal drive, like copy, delete, edit, modify

Read Bitlocker encrypted volume in Mac OSX

Tutorial to encrypt external drive with Bitlocker in macOS/Mac OS X

Step 1: Download and install M3 Bitlocker Loader for Mac.

Step 2: Insert an external drive (such as external hard drive, USB drive, flash drive) into Mac computer.

Step 3: Launch M3 Bitlocker Loader for Mac.

Step 4: Click "Encrypt" button in toolbar.

M3 Bitlocker Loader for Mac

Step 5: Select the partition which you want to encrypt and click Encrypt.

Encrypt drive with M3 Bitlocker Loader for Mac

Step 6: Enter the password.

Step 7: Save the recovery key.

Step 8: Complete Bitlocker drive encryption.