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Encrypting a portable USB flash drive is a great way to prevent sensitive data falling into the wrong hands, preventing data breaches and security incidents. This guide will demonstrate how to securely encrypt a USB flash drive within macOS so that the data stored on it cannot be read nor accessed without entering a secure password.
Requirements
- Occasionally, your Mac has already recognized the USB flash drive but not shown it on the desktop. Thus, you should go to Finder Preferences General and make sure the 'External disks' option is ticked. Then you'll see the USB flash drive showing up on Mac desktop.
- If you have an old flash drive or one that was formatted to work with Windows or another operating system, you can still format your flash drive to work on a Mac. Volume Format Most manufacturers use the FAT 32 or MS-DOS (FAT) volume format.
- 1 – Right click on the flash drive icon and click Format; this opens the format window. 2 – Go to the File system. 3 – Toggle between NTFS and FAT32 and click Start. This will reformat your flash drive and it will fix the flash drive not recognized issue. In case this method fails to fix the error, then follow the next method.
This guide applies to encrypting a flash drive on macOS El Capitan and Sierra using the built in encryption tool known as FileVault.
- Drives encrypted with FileVault CANNOT be opened by Windows.
- The password you choose to protect your USB flash drive CANNOT be changed once it is configured.
Change Flash Drive Icon Mac
Follow the steps below to encrypt a USB flash drive using macOS. How to erase external hard drive mac.
- Insert your USB flash drive into your Mac.
- When the icon appears on your desktop, right click on it and select Encrypt.
- You will then need to enter and confirm a password (as well as a password hint). This password CANNOT be changed.
- Encryption should only take a few minutes; once complete, you USB flash drive will be fully protected.
Boot To Flash Drive Mac
How to use your newly encrypted USB flash drive
To securely use your encrypted USB flash drive, simply plug it into your computer. You will be prompted to enter the password you used to encrypt your drive.
Your macOS computer will automatically manage encrypting and decrypting your information while it is plugged in to your computer. When you are done working on your data, simply unplug it from your computer.
How to disable encryption
- Occasionally, your Mac has already recognized the USB flash drive but not shown it on the desktop. Thus, you should go to Finder Preferences General and make sure the 'External disks' option is ticked. Then you'll see the USB flash drive showing up on Mac desktop.
- If you have an old flash drive or one that was formatted to work with Windows or another operating system, you can still format your flash drive to work on a Mac. Volume Format Most manufacturers use the FAT 32 or MS-DOS (FAT) volume format.
- 1 – Right click on the flash drive icon and click Format; this opens the format window. 2 – Go to the File system. 3 – Toggle between NTFS and FAT32 and click Start. This will reformat your flash drive and it will fix the flash drive not recognized issue. In case this method fails to fix the error, then follow the next method.
This guide applies to encrypting a flash drive on macOS El Capitan and Sierra using the built in encryption tool known as FileVault.
- Drives encrypted with FileVault CANNOT be opened by Windows.
- The password you choose to protect your USB flash drive CANNOT be changed once it is configured.
Change Flash Drive Icon Mac
Follow the steps below to encrypt a USB flash drive using macOS. How to erase external hard drive mac.
- Insert your USB flash drive into your Mac.
- When the icon appears on your desktop, right click on it and select Encrypt.
- You will then need to enter and confirm a password (as well as a password hint). This password CANNOT be changed.
- Encryption should only take a few minutes; once complete, you USB flash drive will be fully protected.
Boot To Flash Drive Mac
How to use your newly encrypted USB flash drive
To securely use your encrypted USB flash drive, simply plug it into your computer. You will be prompted to enter the password you used to encrypt your drive.
Your macOS computer will automatically manage encrypting and decrypting your information while it is plugged in to your computer. When you are done working on your data, simply unplug it from your computer.
How to disable encryption
If you no longer wish to utilize encryption on your USB flash drive, you can permanently disable it. This action will remove the encryption and allow you to use the drive on computers that do not support FileFault, and will permanently stop securing the data on your USB Flash Drive.
To disable encryption, right-click on the drive in Finder and select Decrypt. How do i get smart switch on my mac.
Mac dark red shades. You will be prompted for your encryption password. Once you confirm your action, macOS will remove encryption from the USB flash drive; this action will take some time. Once complete, you can remove your USB flash drive and use it normally without restriction.
