Usb Encryption Software For Mac

Usb Encryption Software For Mac Average ratng: 3,7/5 7941 reviews

So you have some files that you don’t want anyone accessing. Your Mac is already pretty secure, but what happens when you want to encrypt a USB drive?

Apr 18, 2019  How to format an SD card on your Mac; Use Finder to encrypt USB drives on MacBook. As of macOS Mojave, you can easily encrypt and decrypt generic mass storage devices on-the-go using Finder. This uses XTS-AES encryption, which is the same type of encryption that the macOS FileVault 2 system uses. It is open-source encryption software available on Windows, macOS, and Linux. It is a fork of TrueCrypt, the famous encryption software abandoned by its creators. It is based on TrueCrypt, offers roughly the same functionality, but without bugs and especially without a backdoor. There are two types of encryption options for USB flash drives: hardware-based encryption and software-based encryption. While hardware-based encryption uses a device’s built-in security, thus being tied to a specific device, with software-based encryption all devices within the.

This is where disk encryption comes in. Basically, it’ll keep your USB thumb drive safe by encrypting the data on it and requiring a password to access it.

You may not know this, but macOS actually has a few built-in USB encryption features baked into its software — letting you encrypt and decrypt USB drives and other storage media on the fly. Here’s how to use them.


  • 2 Leverage Disk Utility on macOS to encrypt USB drives
  • 3 USB drive encryption that works with Windows PC and Mac


Use Finder to encrypt USB drives on MacBook

As of macOS Mojave, you can easily encrypt and decrypt generic mass storage devices on-the-go using Finder.

This uses XTS-AES encryption, which is the same type of encryption that the macOS FileVault 2 system uses. Keep in mind that using Finder to encrypt a thumb drive will restrict its usage to macOS. You won’t be able to access the data on it on a Windows or Linux machine.

  • Plug your thumb drive or generic mass storage medium into your Mac.
  • Open Finder.
  • Right-click the thumb drive in the left sidebar. It’ll be under Locations
  • Click on Encrypt “(Name of mass storage drive)”. If you don’t see this option, skip to the note below.
  • Finder will now prompt you to enter a password and a hint. This will be used to access the data on your thumb drive — so don’t lose it!
  • When all of that is typed in, click Encrypt Disk.

Finder will then encrypt your thumb drive. Depending on how much data is on it, the process could take a while.

To access the contents of the thumb drive, you’ll need to input the password that you created earlier. There’s absolutely no way to reset this password, so make sure you write it down in a safe place or use a password management platform.

Note: If you don’t see the Encrypt option when you right-click the thumb drive, it means that the USB storage device isn’t in the proper format to use the baked-in macOS encryption. You’ll need to use the following method to encrypt your drive.

Leverage Disk Utility on macOS to encrypt USB drives

As we covered, if you don’t see the Encrypt option, it means that your USB device hasn’t been formatted with a GUID partition map — which is a requirement for Finder encryption.

To get the encryption option, you’ll need to erase your thumb drive and then encrypt it in Disk Utility. Of course, make sure to copy all of the data from your USB drive to a safe location. Somewhere on your Mac’s internal disk is a good option. Once your data is somewhere safe, you can go about actually erasing and encrypting your flash drive. Best landscape design software mac free trial.

  • Open Disk Utility. You’ll find it in Applications —> Utilities in Finder or in the Utilities folder in Launchpad.
  • In the top Disk Utility menu bar, click on View.
  • Now, select the Show All Devices option to check it if it isn’t ticked already.
  • Select your USB thumb drive from the left-hand sidebar. Make sure to click on the top option, not any subsequent device names listed underneath it.
  • Click the Erase option in the Disk Utility toolbar.
  • Give your USB thumb drive a new name.
  • Under the Scheme menu, make sure you have GUID Partition Map selected. You’ll need to change this before selecting the Format. Which brings us to…
  • Under the Format menu, select Mac OS Extended (Journaled, Encrypted).

From here, you’ll be prompted to input a password and hint again. Like with the Finder method, you’ll want to keep this in a safe place because there’s no option to reset it. When you’re done, click on Erase.

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When all is said and done, copy all of the data that was originally on your thumb drive back from the safe location. Once it’s on the drive, it’ll automatically be encrypted and password-protected.

Alternate method

Alternatively, you can also set the Format to Mac OS Extended (Journaled) and the Scheme to GUID Partition Map. This won’t encrypt your USB drive within Disk Utility, but it will allow you to encrypt it using the simple Finder method.

This may be the preferred option if you don’t want to commit to an encrypted drive and password immediately, but you want to be able to encrypt your storage medium on-the-go later on using Finder.

USB drive encryption that works with Windows PC and Mac

The above two methods will make sure that your data is safe and protected no matter what happens. But, of course, they’ll only work on macOS devices. This is because the Mac OS Extended format, true to its name, is only compatible with Apple computers.

If you need to access your data from a Windows PC or a Linux machine, then you’ll want to opt for a third-party encryption solution. A couple of high-quality options are DiskCryptor and VeraCrypt.

They’re both completely free to use and open source, but they don’t skimp on the encryption quality. In fact, both apps offer a variety of different encryption options — such as AES, Twofish and Serpent.

You can’t go wrong with either. They’re both also fairly simple to use, so we’ll refrain from offering any in-depth instructions on how to encrypt using them. Just make sure to encrypt your drive using a Windows- or Linux-compatible format like FAT32.

For more information, you can visit their respective websites.


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If you use USB drives to carry information, it is always a good idea to encrypt the drive so that your privacy and security is protected in the case you lose the drive. This is particularly true if you use thumb drives to store personal photos or contract documents etc. We hope that you find these tips helpful. Please let us know in the comments below if you have any questions for us.

Mike is a freelance journalist from San Diego, California.

While he primarily covers Apple and consumer technology, he has past experience writing about public safety, local government, and education for a variety of publications.

He’s worn quite a few hats in the journalism field, including writer, editor, and news designer.

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