M3 BitLocker Loader for Mac Online Help

Help Documents

Getting Started

M3 BitLocker Loader for Mac is a simple and easy-to-use app which can unlock BitLocker encrypted drive and enable to read/write BitLocker encrypted drive after user provides the password or BitLocker recovery key, encrypt external drive with BitLocker on macOS 11/10.15/10.14/10.13.

Supported Operating Systems

macOS 11 (Big Sur), 10.15 (Catalina), 10.14 (Mojave), 10.13 (High Sierra)

Supported file systems

NTFS, FAT32 and exFAT file systems.

Supported storage devices

Hard drive, external hard drive, USB drive, flash drive, pen drive, memory card, CF card, etc.

How to install M3 BitLocker Loader for Mac?

Step 1: Double click the setup file and follow the wizard to install it.

Step 2: If you are using macOS 10.13 High Sierra and later version, allow system extension to install the component of M3 BitLocker Loader for Mac. If you are using Apple Silicon M1 Mac, read our article: How to enable system extension on Apple Silicon M1 Mac.

Allow system extension

Open System Preferences > Security & Privacy > General tab as shown in following picture, please click the lock to unlock and then click Allow "System software from developer "Chengdu Aibo Tech Co., Ltd." was blocked from loading".

Mac computer security privacy settings

If you don't see allow option, please click "Reload it" in the setup window to reload system extension and then check if allow option appears.

Reload system extension

If the "Allow" option is still not appeared, please open /Library/Extensions/ folder, manually delete the drivers that are not in use and then reinstall M3 BitLocker Loader for Mac to try again.

Step 3: Restart your Mac to complete the setup.

How to activate M3 BitLocker Loader for Mac?

Step 1: Click Activate (Key icon) button in the toolbar of M3 BitLocker Loader for Mac.

M3 BitLocker Loader for Mac

Step 2: Enter the license key and click Activate.

Activate M3 BitLocker Loader for Mac

How to mount BitLocker encrypted drive on Mac?

Step 1: Insert a BitLocker encrypted drive into Mac computer.

M3 BitLocker Loader for Mac

Step 2: Select the BitLocker encrypted drive you want to unlock and then click "Open" icon.

M3 BitLocker Loader for Mac

Step 3: There are two ways to unlock BitLocker encrypted drive: File manager and Volume mounter. At this step, select "Volume mounter"option.

M3 BitLocker Loader for Mac

Volume mounter option: Mount BitLocker encrypted drive in read-write mode

M3 BitLocker Loader for Mac

File manager option: Open BitLocker encrypted drive with built-in file manager

M3 BitLocker Loader for Mac

Step 4: Enter the password (or 48-digit BitLocker recovery key) and click "Unlock" to mount BitLocker encrypted drive on your Mac.

If the password and recovery key are lost or unknown, M3 BitLocker Loader for Mac cannot break into BitLocker encrypted drive and access data, please refer to how to unlock BitLocker encrypted drive without password and recovery key?

"Remember this passoword in my keychain" option would save the password in an encrypted file so that you can retreive the password after forgetting it.

Step 5: After mounting BitLocker encrypted drive on your Mac, BitLocker encrypted drive will be automatically opened in Finder, you can operate BitLocker encrypted drive as same as your Mac's native drive, including read, write, edit, delete, tag files, airdrop files, sync files, drag files to BitLocker encrypted drive, etc.

Step 6: After completing any operations with M3 BitLocker Loader for Mac, please click "Lock" button in M3 BitLocker Loader for Mac main interface to lock BitLocker encrypted drive and then click "Eject" button to safely remove BitLocker encrypted drive from Mac computer.

How to encrypt an external drive with BitLocker on Mac?

Preconditions for using BitLocker drive encryption on Mac

1. Prepare for an external drive, such as USB drive, flash drive, external hard drive.

2. The file system of the external drive must be NTFS, FAT32 or exFAT.

3. BitLocker drive encryption requires macOS 10.13 and above OS.

Tutorial to encrypt drive with BitLocker on Mac.

Step 1: Download and install M3 BitLocker Loader for Mac latest version.

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.

Preferences:

General tab - Check for updates automatically; Show program icon in status bar; Automatically open drive after unlocking; Language setting.

Notification tab - Notify when locking BitLocker encrypted drive; Notify when ejecting BitLocker encrypted drive; Notify when unlocking BitLocker encrypted drive; Notify when detecting BitLocker encrypted drive.

Advanced tab - Lock BitLocker encrypted drive on sleep; Automatically unlock drive after password is saved; Default volume mount mode: read-write mode (read-only mode).

How to quit M3 BitLocker Loader for Mac

Click "M3 BitLocker Loader" on the left top of the menu bar and then select "Quit".

M3 BitLocker Loader for Mac

How to remove/uninstall M3 BitLocker Loader for Mac from Mac computer?

Open Applications folder, find M3 BitLocker Loader, drag it to Trash and complete the uninstallation.