How to Protect files or Folders on MacOS?


Files or folders may contain important content such as Commercial info or Personal info which you don’t intend for others to see. There are lots of reasons you might put them in password protect folders. In this guide, I will show you how to encrypt and protect folders on Mac.
Follow the simple steps to protect your folders on Mac:
On your Mac, Open Disk Utility using Spotlight search (or),
Open Application -> Utilities -> Disk utilities.
Now, Choose File -> New image.
On that, Select Image from Folder option.
DiskUtility 1
Now, Select the File or Folder that you want to Password-Protect.
Then, Click on the “Choose” option from the window.
DiskUtility 2
Now, on the Encryption option, choose “128-bit AES encryption (recommended)” option.
Next, set the Password to Protect the file or folder and click on the “Choose” option.
DiskUtility 3
Then, on Image Format option, choose “read/write” option and click on the “Save” option.
DiskUtility 5
Now, it will process to create an encrypted disk image.
DiskUtility 8
The DMG file is a copy of your original folder’s content and it is not encrypted. This disk image is protected by a password. If you want to access the folder, just enter the password to open it.
Open the disk image folder, if once you are sure everything worked smoothly then you can delete the unencrypted folder and keep the encrypted DMG image file behind.
 

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