4.6 C
New York

How to encrypt a folder in MacOS to keep sensitive data from prying eyes


Half closed MacBook Pro.

Jason Cipriani/CNET

You in all probability have sensitive data in your MacBook or iMac. That data may stay in a folder that incorporates numerous information with firm secrets and techniques or your individual private data. Unencrypted, that folder could be seen by anybody with entry to your desktop or laptop computer. 

However, if you happen to encrypt that folder, solely these with the decryption password are ready to entry the contents inside.

You can obtain folder encryption with a third-party utility, however there’s additionally a built-in software that may do that for you. Said software is Disk Utility, and it makes encrypting present folders in your MacOS machine very straightforward.

The caveat to the strategy I’ll define is that it creates an encrypted picture from the folder and leaves the unique intact. On prime of this, as soon as you’ve got created the encrypted picture, you can not add new objects to it. Because of this, the strategy is admittedly finest suited to both encrypted backups or encrypting folders that won’t want to be modified.

Also: The best encryption software: Protect your data

How to encrypt a folder in MacOS to keep sensitive data from prying eyes 

Let me present you the way it’s performed.


The solely factor you will want for that is an up to date model of MacOS operating on both a MacBook or iMac. I’ll be demonstrating on a MacBook Pro with an Apple Silicone M1 chip and MacOS Monterey (v 12.6). I might extremely suggest you check out this course of on a folder that does not include any vital paperwork. Once you understand how to efficiently encrypt folders, you’ll be able to then achieve this with these folders that do include vital data.

Click the Launchpad icon in your Dock and sort Disk Utility. When the Disk Utility launcher seems, click on it to open the app.

With Disk Utility open click on File > New Image > Image from Folder. When the folder picker popup seems, navigate to and choose the folder you need to encrypt, and click on Choose.

The Disk Utility File menu in MacOS Monterey.

Creating a new encrypted picture from a folder in MacOS.

Jack Wallen/ZDNET

In the ensuing popup window, do the next:

  • Name the encrypted folder.
  • Add any tags you may want to embody.
  • Select both 128-bit or 256-bit encryption (that latter is stronger).
  • Click Save.

When you choose the encryption kind, you will be prompted to kind and confirm an encryption password. Make certain this password is strong and unique (and never the identical as your consumer password).

Disk Utility will then encrypt the folder. When it completes, click on Done. 

The image creation popup window in MacOS Monterey.

Make certain to give your new encrypted picture a distinctive title.

Jack Wallen/ZDNET

How to entry information throughout the encrypted picture

Open Finder and navigate to the folder housing the encrypted picture. If you double-click on that picture (it will finish in .img), you will be prompted for the password you added in the course of the picture creation. Upon profitable authentication, Finder will open the picture and you’ll entry the contents inside.

Also: How to create a new MacOS Finder Quick Action with Automator 

And that’s all there’s to create an encrypted folder in MacOS with Disk Utility. Although this feature is considerably restricted, it’s a great way to keep sensitive data from prying eyes. And when you’ve got no want to add new information and folders to the encrypted picture, you’ll be able to be at liberty to delete the unique folder, so the data contained inside can’t be accessed with out going by way of the encrypted picture.

Source: www.zdnet.com


Related articles

Recent articles