How to password protect USB flash drive for Mac & Windows PC usage?
Is there any way to password protect USB flash drive so that I can access it on both Mac and Windows? I do not need government-grade encryption, just need to protect my important data from unauthorized access.
As far as we know, BitLocker is more secure than other drive encryption software. Although Microsoft just developed and released Bitlocker for Windows and there's no Mac implementation, but with help of M3 Bitlocker Loader for Mac, Bitlocker password protected USB flash drive can be readable on Mac.
How to password protect USB flash drive on macOS Mojave/High Sierra?
Step 1: Download and install M3 Bitlocker Loader for Mac.
M3 Bitlocker Loader for Mac is a Bitlocker To Go for Mac tool which can read/write Bitlocker password protected USB flash drive and external hard drive on macOS 10.14 (Mojave)/High Sierra 10.13, 10.12 (Sierra) and Mac OS X 10.11/10.10/10.9/10.8/10.7 Operating Systems.
Step 2: Insert an external drive (such as external hard drive, USB drive, flash drive) into your Mac computer.
Step 3: Launch M3 Bitlocker Loader for Mac.
Step 4: Click "Encrypt" button in toolbar.
Step 5: Select the partition which you want to encrypt and click Encrypt.
Step 6: Enter the password.
Step 7: Save the recovery key.
Step 8: Complete Bitlocker drive encryption.
Tutorial to read/write Bitlocker password protected USB flash drive on Mac
Step 1: Download, install M3 Bitlocker Loader for Mac on your Mac computer.
Step 2: Launch M3 Bitlocker Loader for Mac and insert a Bitlocker password protected USB flash drive.
Select Bitlocker password protected USB flash drive and then click "Unlock/Open" icon to continue.
Step 3: Enter the password (or 48-digit Bitlocker recovery key) to unlock Bitlocker password protected USB flash drive.
Step 4: Read/Write Bitlocker password protected USB flash drive on Mac computer.
How to password protect USB flash drive in Windows PC?
To enable BitLocker drive encryption on a USB flash drive, do the following:
Step 1: Insert a USB flash drive to a Windows computer where installed Windows 10 Professional/Enterprise, Windows 8/8.1 Professional/Enterprise, Windows 7 Ultimate/Enterprise, Windows Vista Ultimate/Enterprise, Windows Server 2008/2012, only these Windows editions support Bitlocker drive encryption. If you only have Windows 7/8/10 Home edition, please refer to: How to enable Bitlocker in Windows 7/8/10 Home edition?
Step 2: Format USB flash drive into FAT32/NTFS/exFAT file system. If there is data in USB flash drive, please go to step 3.
Step 3: Right click USB flash drive in My Computer or This PC and select "Turn on Bitlocker".
Step 4: On the "Choose How You Want To Unlock This Drive" window, choose one or more for the following options, and then click Next:
"Use A Password To Unlock This Drive": Select this option if you want to be prompted for a password to unlock the drive. Passwords allow a drive to be unlocked in any location and to be shared with other people.
"Use My Smart Card To Unlock The Drive": Select this option if you want to use a smart card and enter the smart card PIN to unlock the drive. Because this feature requires a smart card reader, it is normally used to unlock a drive in the workplace and not for drives that might be used outside the workplace.
Step 5: On the "How Do You Want To Store Your Recovery Key" window, click Save The Recovery Key To A File.
Step 6: In the "Save BitLocker Recovery Key As" window, choose a storage location and then click Save.
Step 7: On the "Are You Ready To Encrypt This Drive" window, click Start Encrypting. Do not remove the USB flash drive until the encryption process is complete. How long the encryption process takes depends on the size of the drive and other factors.
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