How To Encrypt File And Folders On Mac

How To Encrypt File And Folders On Mac?

Encryption is excellent for protecting sensitive information against the threat and any kind of security breach. Internet network encryption is a big thing, but do you also know about file/folder encryption? Such a method makes it mandatory to enter a password before opening a file or folder.

Yes, you heard it right! You can encrypt your file/folder so that you can send sensitive information without any danger of theft. You should know how to encrypt files on Mac. In this guide, we will explain how to encrypt files and folders on Mac. Let’s get started.

How to Encrypt Files On Mac?

Let’s start by learning how to encrypt files on Mac. The methods explained below can be used for any type of file on Mac.

Method: Using the Preview App

Preview App is one of the most versatile tools to encrypt files and folders on Mac. It is capable of encrypting any kind of file, be it an image, doc, or PDF file. Let’s get to know how to do so.

Encrypt Image File

  • Firstly, open the desired image file in Preview App.
  • From the File menu, choose Export as PDF. 

Export as PDF

  • In the window displayed, change the file extension to .pdf and tap Show details button.

  • You can set a password now.
  • Enter the password and enter the same password in the Verify box as well.

Enter the password and enter the same password

  • As soon as you save the password and file, your file is successfully encrypted.
  • The next time you try to open the file, it will prompt you to enter the password.

enter the password

Encrypt PDF File

If you want to encrypt a PDF file using the Preview app, follow the stepwise guide as given further.

  • At first, open the desired PDF file in the Preview app.
  • Tap the File menu and hold down the command button. The Duplicate option will change into Save As option.

  • Click Save As, and you can change the file’s name (if you want).
  • Next, check the Encrypt checkbox.
  • Enter the password and enter the same password in the Verify box as well.

  • When the password and file are saved, your file is successfully encrypted.

How to Encrypt a Folder on Mac Using Disk Utility?

Disk Utility can create an encrypted file in the form of a disk image, which is similar to the zip file. But it uses a secure encryption method of Mac. So let’s check how to use it.

  • Click push button + space or magnifying icon in the upper right corner of the screen to use Spotlight.
  • Type in Disk Utility and hit Enter. 
  • Or you can go to Applications > Utilities. 

  • Now from the menu, select New Image > Image from the folder and select the folder you want to encrypt.

Image from the folder

  • Enter the file name and choose the destination to save the disk image.

  • Next, choose the encryption level of 128-bit or 256- bit.
  • Tap Save and enter a password.
  • It may take some time, depending on the folder’s size. Once done, your folder is successfully encrypted on Mac.

Use File Vault for Full-disk Encryption

It is another method of encrypting a folder on Mac. With File Vault Encryption, you can secure a file from a security breach. It helps you encrypts the data into a meaningless format so that the data is safe even if it is stolen.

You can follow these steps to turn on auto-encryption using File Vault. Here’s how?

  • Tap Apple icon to open System Preferences.

  • Choose Security and Privacy. 

  • Go to the File Vault tab and tap on the lock given on the bottom left.
  • Enter the user password, unlock the setting, and now you can turn on File Vault.

turn on File Vault

  • The encryption process will begin and can take several hours. Make sure your Mac is plugged in during the encryption.

Can you password protect folders on Mac?

By using the methods given above, you can password protect folders on Mac. When you encrypt a folder on Mac, all the files in the folder are automatically encrypted. You can not access any data without entering the password.

If you are wondering how to find encrypted files on Mac, here’s how you can do so.

How do I find encrypted files on Mac?

To find encrypted files on Mac, follow the steps as explained below.

  • In the Finder, go to the File menu.
  • Hit Find command and F.
  • Just below the toolbar, you can spot a drop-down menu – Kind.

  • Tap Kind and choose Other. 
  • Choose Security and check the InMenu checkbox.
  • Now you can search for encrypted files.

Encrypt Files with Password

Method: Using the Print Option

If you do not want to use the Preview app, then you can try out this particular method to encrypt the files on Mac efficiently. Let’s see how!

  • Go to the File menu and choose Print
  • In the bottom left of the window, tap the PDF button, and choose Save as PDF. 

  • In the window displayed, tap the Security button.
  • Enter the password and the same password in the Verify box.
  • Click OK to save the password, and your file is successfully encrypted.

Protection in Mac

Protect your Mac files and folders against malware, data theft, and security breach by following the encryption methods mentioned above. It is important to note that remembering the password is crucial here.

Do not forget the password. Keep it safe somewhere. Otherwise, you won’t be able to open the encrypted files and end up losing all of your essential data.

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