How to decrypt Bitlocker drive or turn off Bitlocker on Mac?
Although Microsoft has not implemented Bitlocker for Mac, but with the help of M3 Bitlocker Loader for Mac, we can easily read/write Bitlocker encrypted drive on macOS 10.15 (Catalina), 10.14 (Mojave), 10.13 (High Sierra), 10.12 (Sierra) and Mac OS X 10.11/10.10/10.9/10.8.
Tutorial to decrypt Bitlocker drive on macOS/Mac OS X
Step 1: Download, install and launch M3 Bitlocker Loader for Mac on Mac computer.
Step 2: Insert a Bitlocker encrypted drive into Mac computer.
Step 3: Select Bitlocker encrypted drive in M3 Bitlocker Loader for Mac.
And then click "Open" icon to continue.
Step 4: Enter the password (or 48-digit Bitlocker recovery key) and click "Unlock" to unlock Bitlocker encrypted drive.
Step 5: After Bitlocker encrypted drive is unlocked, we can read, write, delete, edit files in Bitlocker encrypted drive.
Tutorial to remove/turn off Bitlocker from Bitlocker encrypted drive
If you're an advanced user, we can turn off BitLocker by using Command Prompt.
Step 1: Connect Bitlocker encrypted drive to a Windows computer
Step 2: Open Command Prompt as administrator (To do that quickly press Windows Key + X to open Win + X menu and choose Command Prompt (Admin) from the menu).
Step 3: When Command Prompt opens, enter manage-bde -off X: command and run it (Replace X with the drive letter of your Bitlocker encrypted drive).
Step 4: Bitlocker drive encryption will be turned off and Bitlocker encrypted drive will be decrypted.