Encrypt External Hard Drive Mac Os Xcompubrown

In general terms, code or encrypt information consists of hiding the content of a message in plain sight, with the aim that a specific interaction is required to discover the content in question. Whether data, files, messages or any type of information that is handled in the digital environment.

In this way, there is the possibility of encrypting the information contained in folders, individual files and even disks. Which will prevent unauthorized access by third parties and thus, provides benefits based on the security and privacy of each user which chooses to encrypt an internal and external hard drive.

It lets you encrypt the system/boot volume as well as any other internal or external hard drive. It's also really simple to use and has some pretty neat, unique features. In addition to password protecting a partition, you can even add one or more keyfiles to it for increased security. To get started, click your external drive in the left panel, then click the “Erase” button in the toolbar. Give the partition some sort of time-travel-related name, then click the “Format” dropdown option. Choose “Mac OS Extended (Journaled, Encrypted)” from the choices offered, then click the “Erase” button.

  • This video shows how to encrypt a portable hard drive and protect your research data files using BitLocker. For best quality please view in 720p.
  • Insert your drive and transfer any files on it somewhere safe. Open Finder and find Disk Utility. Choose your device from the list on the left-hand side. Go to the Erase tab. In the Format box choose Mac OS Extended (Journaled, Encrypted). Here you can choose a name for your drive. A window will open asking you to enter a.
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Fortunately, on macOS, there is a functionality that is responsible for supporting the encryption of an internal and external hard drive so that users of said operating system can always have their data protected. So it is valuable to know what are the steps to follow for it and also know What external tools and programs are useful to encrypt a hard drive on MacOS computers.

Steps to encrypt an internal or external hard drive in MacOS fast and easy

While it is true, when an internal or external storage device is formatted, there is the possibility of encrypting and protecting it by means of a password. In consecuense, via Disk Utility in Mac, users have the power to encrypt a hard drive, by default, so that it can be accessed with a certain password, solely and exclusively.

Thus, it is necessary to limit that, if you decide to encrypt an internal hard drive, you will have to enter the corresponding password in order to access the device and, of course, the information stored on it. Also, if you choose to encrypt an external disk, it will be necessary to enter the password once said device is connected to Mac machine.

Now, having clarified the above, we proceed to mention each and every one of the steps indicated to achieve encryption of an internal or external hard drive in MacOS, correctly, quickly and easily:

Make a backup

In view of the process to encrypt any hard drive on Mac requires formatting the same, It is important that backup all data on the hard drive before starting. Especially if this storage device contains files that you prefer to keep over time.

Basically, this you can do via another storage device or volume. Thus, once you have specified the procedure in question, you will be able to use said storage device to copy the information saved on its original disk.

Open Disk Utility on your Mac

Before entering the app Disk Utility from your Mac, it’s necessary that, connect the external hard drive, if you want to perform this procedure for that device. But, if it is an internal hard drive, of course you should not do this. Once this is done, proceed to open the aforementioned application and select the option “Display”, so click where it says “Show all devices”.

Choose the hard drive to encrypt

After the previous step, it is time to select the storage device you want to encrypt, directly in the sidebar shown there. Taking into account that, you have to know your specific name, in order to choose the one that corresponds without any type of error.

Delete the hard drive in question

Once you find and select the internal or external hard drive to encrypt, it is time to click on the “Delete” button which is located in the toolbar or, failing that, click on “Delete”. Then it’s time to enter a name for the volume.

Choose the Scheme and Format

Now, you have to click on the drop-down menu called “Scheme” and among the options shown there, you have to click directly on “GUID Partition Map”. Further, in the drop-down menu “Format”, you can select a specific encrypted file system format. It is generally recommended Mac OS Plus (Journaled) format.

Enter a password

Later, you can enter and verify a password. At this point, it is recommended enter an infallible and powerful password, in order to provide much more security to the internal or external hard drive. When you do this, click on “Select”. For your part, if you prefer to change the password later (for whatever reason), you simply must select volume in the sidebar, for later click on “File” and there, choose the option “Change password”.

Access Security Options

If available, as an option, you have the possibility of using the existing regulator in the “Security Options” section to choose how many times you want to overwrite the deleted data (it is advisable to overwrite the data three times). Once you select this parameter, you just have to click “OK”.

It should be noted that the secure erase options are only available for some types of storage devices. Thus, if the button called “Security Options” is not on your computer, means that the Disk Utility app does not feature the ability to perform a secure erase on the hard drive.

Why should I encrypt my storage disks in MacOS?

Since a computer point of view, beyond hiding certain information with a password, the process of encrypt or encrypt data stored on a storage disk, consists of applying an algorithm associated with one or more keys in order to transform them into a chain of letters, numbers and symbols with no apparent meaning.

Now, he will ask you what are the main reasons to choose to encrypt your storage disks in macOS and to specify them, fundamentally, we will emphasize the advantages that this brings. Since, refers to a security system much stronger than a password on the home screen of the computer.

Consequently, it is valuable to encrypt an internal or external hard drive to do so, ensure that no third party can view the data it contains. In such a way, you will have greater privacy and security at the IT level. Since, the encryption will prevent the access of any other person and even, will avoid possible attacks of identity theft or any kind of risk caused by hackers.

List of the best tools and programs to encrypt your hard drive on MacOS computers

In addition to being able to encrypt a hard drive through the Disk Utility belonging to macOS, users also have the possibility of doing this kind of procedure from a software or an application dedicated to it.

Therefore, in this section of the post, we will mention 3 of the best alternatives to protect the data stored on your disks from now on:

FileVault 2

Basically, it is a program that is built into Mac OSX Lion and later versions and is billed as Apple’s answer to Bitlocker. This means that it consists of exclusive software for Mac and thus allows users of this operating system, encrypt entire disks to protect your data stored there.

For that, FileVault 2 uses the 128-bit AES-XTC algorithm, making it truly powerful. In addition to this, it is characterized by using the user’s login key as an encryption password. But nevertheless, it is not an open source solution and does not offer the ability to create encrypted containers.


This free computer application used to perform disk encryption, from the use of different algorithms, such as: AES, Twofish and Serpenteven a mix of these three. In such a way, provides support for both MacOS and Linux and Windows computers, is open source and provides the option to create encrypted containers.

Among other details, we note that, VeraCrypt also offers the necessary tools to create an encrypted virtual volume on a single file or on a partition. In the case of external hard drive encryption, it provides a pre-boot authentication, for greater security. It is available in more than 37 languages ​​and among them is Spanish.

Download VeraCrypt MacOS


It is a program available to Windows, Mac OSX and Linux. Which, basically, allows encrypt entire disks or create encrypted containers and in this way, it provides complete management to its users to guarantee the greatest possible security and privacy around their internal and external hard drives. Further, is free and employs hidden volumes, to allow credible denial.

Download CipherShed MacOS

If you have any questions, leave them in the comments, we will answer you as soon as possible, and it will also be of great help to more members of the community. Thank you! 😉

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Yo just got a new external hard drive and want to use it on your Mac. However, the Mac OS does not allow you to write data to the drive. You may wonder how to reformat an external hard drive on Mac. Follow the tutorial below, you'll get everything covered.

  • Bonus: How to Recover Data from Formatted External Hard Drive on Mac


Reformatting an external hard drive for use with Mac OSX is not as difficult as it might seem. In a few simple steps you are ready to go and can save your back-up files to the external drive, keeping your information safe and giving you peace of mind. Keep in mind that a MAC can generally read other file formats, but for the best performance and to create a bootable disk, formatting exclusively for MAC is required.

Part 1: Which File Format You Should Choose?

Before you begin formatting the drive, there are a few things to do. The most important, you should decide which format to use.

Encrypt External Hard Drive Mac Os Xcompubrown

There are a few file formats you can use, but it depends on the purpose you want to use the drive for. Which one is right for your circumstance? We'll describe them here, you'll know your choice after reading the details.

APFS: This is the default file system in Macs with High Sierra. It is efficient and reliable. However, it won't be readable and usable on machines that are not running Mac High Sierra, and Windows or Linux PCs. What's more, it is compatible with SSD and flash storage devices only.

Encrypt External Hard Drive Mac Os Xcompubrown

Mac OS Extended (Journaled/HFS+): If you didn't update your Mac OS to High Sierra, the default file system on your Mac shoule be Mac OS Extended. Mac OS Extended (encrypted) would be an ideal option if you probably carry your laptop or external drive here and there. You can encrypt it so that no one can access the contents on your drive.

MS-DOS FAT (aka FAT32): In addition to Mac, it can also be written and read by Linux and Windows. It enables you to regularly share files with your friends who own a PC. Nevertheless, this older file system is limited to no more than 4GB and there might be security issue and disk errors.

ExFAT: It is similar to ExFAT which can be read by both Windows and Mac, but it can store more than 4GB files.

NTFS: As the default file system in Windows, it can only read by Mac OS, writing to it is not available. Luckily, there are third-party tools to help you do so.

Part 2: Format External Hard Drive for Mac with Disk Utility

Formatting an external hard drive would erase everything on it. Hence, you must backup your important files before reformatting the drive if you want to save them. The easiest way is to drag it from one drive to another.

All is set, then you can go ahead to format the drive on your Mac. Disk utility - the MacOS utility application can help you with this. Just follow these steps below:

Step 1. Connect the external drive or the USB drive to the MAC.

Step 2. Start the Disk Utility, located under Applications > Utilities.

Encrypt External Drive Macos

Step 3. Find the name of the drive in the left side of the Utilities window and select it. And click Erase button.

Step 4. Follow on-screen prompts to choose Mac OS Extended (Journaled) file system and allow the disk to format.

Bonus: How to Recover Data from Formatted External Hard Drive on Mac

In case you forgot to backup files before formatting the external drive. Here comes the cure - iMyFone AnyRecover - a one-stop solution to recover deleted, lost or formatted files from Mac.


Follow these simple steps using AnyRecover to get your files back!

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Get Ready!

Encrypt External Hard Drive Mac Os

First, download and install AnyRecover, following on-screen prompts to accomplish the task.

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Don't miss the opportunity to get AnyRecover license at the lowest price on the market. Don't know how to apply it, check the instructions here:

Get Set!

  • 1. After loading AnyRecover, plug your external hard drive into your Mac directly or via USB.

  • 2. Next select the drive under 'External Removable Devices' tab, click 'Start' to begin scanning lost files on the drive.


  • 1. AnyRecover takes a moment to scan your drive. Once done, it will list out all scanning results by file type.

  • 2. Double click a single file to preview it before recovery.

  • 3. Select the files and press Recover to get them back.

What If?

What if my files were not found? Fear not. We can take this a step further. Enable 'Deep Scan' to try one more time, follow the steps above just as before to locate and recover your files.

It is plain to see that AnyRecover for Mac is a tool worthy of top shelf treatment in your arsenal of items that are used to defend, recover and keep your system up and running. Don't get caught without the file you need for that meeting or stumbling looking for baby photos that were stored on disk and suddenly 'hid' from your view. Allow AnyRecover to find and recover your lost files. AnyRecover is easy to use but provides sophisticated results that mean you know what you're doing!