By Tim | Posted to Home > BitLocker for Mac, updated on October 26, 2022

How to open BitLocker encrypted drive on Mac for free?

On this article, you will learn 4 methods to open a BitLocker-encrypted drive on your Mac:

Method 1: Using a professional BitLocker for Mac tool

With the help of the 3rd-party professional BitLocker for Mac tool: M3 BitLocker Loader for Mac, you can unlock, read, write BitLocker-encrypted drive on your Mac.

M3 BitLocker Loader for Mac is fully compatible with macOS Ventura, Monterey, Big Sur, Catalina, Mojave, High Sierra and Apple Silicon Mac.

Even BitLocker is compatible with macOS through M3 BitLocker Loader for Mac, how to open a BitLocker-encrypted USB drive on Mac?

Tutorial to access a BitLocker-encrypted USB drive on Mac:

Step 1: Download M3 BitLocker Loader for Mac.

The first step is to download M3 BitLocker Loader for Mac from our official site.

M3 BitLocker Loader for Mac setup requires macOS 10.13 and later version. If you are using macOS 10.12 and older Mac OS X, please contact [email protected]

Step 2: Install M3 BitLocker Loader for Mac.

After downloading, doule click the "m3bitlockerloader.pkg" file in your Downloads folder and follow the wizard to install it.

Step 3: Enable system extensions.

If your Mac is running macOS 10.13 and later version, click "Open Security Preferences" to allow system extensions when prompted.

Step 4: Launch M3 BitLocker Loader for Mac.

Once it is installed, go to Applications folder and launch M3 BitLocker Loader for Mac.

Launch M3 BitLocker Loader for Mac

Step 5: Insert a BitLocker-encrypted USB drive into your Mac.

If you don't have a BitLocker-encrypted USB drive at the hand, please use M3 BitLocker Loadder for Mac to encrypt a USB drive on Mac via BitLocker first.

M3 BitLocker Loader for Mac requires a healthy BitLocker-encrypted USB drive. If your BitLocker-encrypted USB drive has been corrupted, try our BitLocker data recovery software: iBoysoft BitLocker Recovery to recover data.

Step 6: Click "Open" icon under that BitLocker USB drive.

Select BitLocker-encrypted drive on Mac

Step 7: Choose "Volume mounter" option.

If you want to evaluate it, please choose "File manager" option.

Mount BitLocker-encrypted drive on Mac

On the unlock window, there are two options to unlock BitLocker-encrypted drive.

  • File manager: It allows you to browse and preview the files and directories from BitLocker-encrypted drive so that you can evaluate the trial version before purchasing.
  • Volume mounter: Available in full version, it allows to mount BitLocker-encrypted drive in read-write mode.

Step 8: Enter the password.

  • If it is BitLocker-encrypted OS drive, 48-digit BitLocker recovery key is the only way to unlock this drive on your Mac.
  • If you have lost the password and 48-digit BitLocker recovery key, M3 BitLocker Loader for Mac doesn't and won't break into your BitLocker-encrypted drive.
  • How to unlock BitLocker drive without password and recovery key?

Step 9: Click Unlock to mount BitLocker-encrypted drive on your Mac.

Open BitLocker-encrypted drive on Mac

After mounting the BitLocker-encrypted drive in read-write mode, you can operate this drive in Finder as same as your Mac's native drive. For example, read, write, copy, delete, edit, rename.

Two things you need to do after using a BitLocker-encrypted drive on Mac:

To disconnect your BitLocker drive properly, please click on Lock button to lock your drive and then click on Eject button to safely eject it.

Eject BitLocker-encrypted drive in M3 BitLocker Loader for Mac

Method 2: Dislocker

Dislocker - a FUSE driver to open BitLocker-encrypted drive on macOS and Linux. Dislocker is developed by Romain Coltel. Dislocker provides a way to open BitLocker drive on Mac for free.

How to use dislocker on 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

How to install dislocker on Mac:

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.

After installing dislocker on macOS, please see dislocker(1) for details on how to use it, refer to dislocker documentation.

Although dislocker is a free BitLocker for Mac command tool, but it is very complex for general users who don't have technical knowledge. If you are not professional, method 1: M3 BitLocker Loader for Mac is the best choice.

Method 3: Using Parallels Desktop for Mac

Parallels Desktop for Mac is a virtual machine software, you can use it to run Windows on your Mac. After running Windows on your Mac, you can open BitLocker-encrypted drive without purchasing BitLocker for Mac tool.

Step 1: Install Parallels Desktop for Mac on your Mac.

Step 2: Install Windows 10 on your virtual machine.

Step 3: Insert BitLocker-encrypted drive to your Mac.

Step 4: Open This PC in Windows 10, right click BitLocker-encrypted drive, select "Unlock", enter the password to unlock it.

Enter password to unlock Bitlocker drive

Compared with the method 1, method 2 is a time-consuming job. What's more, Parallels Desktop for Mac (About US$99.99) is not cheap. So method 1: M3 BitLocker Loader for Mac is still your best choice.

Method 4: Install Windows on your Mac

With Boot Camp, you can install Windows 10 on your Mac and then switch between Mac and Windows to access BitLocker-encrypted drive for free.

Step-by-step tutorial to install Windows 10 on your Mac:

To install Windows, use Boot Camp Assistant, which is included with your Mac.

Step 1: Check your Secure Boot setting.

The default Secure Boot setting is Full Security. If you changed it to No Security, change it back to Full Security before installing Windows. After installing Windows, you can use any Secure Boot setting without affecting your ability to start up from Windows.

Step 2: Use Boot Camp Assistant to create a Windows partition.

Step 3: Format the Windows (BOOTCAMP) partition.

Step 4: Install Windows.

Step 5: Follow the onscreen instructions to install Boot Camp and Windows support software (drivers).

Although it is a free way to open BitLocker-encrypted drive, but it is a time-consuming job and not very simple. If you are not professional, method 1: M3 BitLocker Loader for Mac is your best choice.