How to Password Protect Files/Folders on macOS Mojave

Last Updated: April 13, 2018

How to password protect a folder on macOS Mojave/High sierra Macbook? It's time to protect your sensitive files on Mac from prying eyes by password protecting each specific folders and files. This is what we call the "Stick-to-File" encryption method, which is at present the safest way to secure your files both in transit and at rest!

DearMob iPhone Manager

Safest Way to Encrypt Files, Folders on macOS Mojave

Choose the Right Encryption Form for Password Protect Files Mac

There are many forms of encryption: Whole-disk encryption, Database encryption, Application level encryption, Network traffic encryption, Multi-user file/folder encryption, and Single-user file/folder encryption. But to protect your sensitive files on Mac from prying eyes, the best choice is always Single-user file/folder encryption based solution since the encryption will always stick to the file. And this is where DearMob iPhone Manager comes in.

DearMob iPhone Manager

Military Grade Password Protect Video Photos on Mac

With enormous private 4K photos, HDR videos swelling up both on the internet and local storage as the biggest storage hog, DearMob iPhone Manager decides to target these data for precise encryption with Military Grade mechanism. It adopts multiple aced encryption algorithms from both asymmetric & symmetric cryptography, including 1024-bit RSA, 256-bit AES, PBKDF2, Argon 2, to lock down your videos, photos. No matter saved on your Mac computer or Mac computer connected direct-attached-storage (DAS) like external hard drive, optical disc drives, SSD, CD or network-attached-storage (NAS), your sensitive photos and videos will always be safe at rest or in transit from one place to another.

Secure Network Transfer, Storage, Sharing from Mac

For photo/video sharing online, emailing to target recipients, or storing on Cloud like in Dropbox, iCloud drive, Google drive, your photo, videos will always be safeguarded on the fly by this "stick to file" data encryption. DearMob iPhone Manager encrypted files can only be decrypted by this software alone with one authentic key - your password.

9 Data-Breach Cases DearMob iPhone Manager Can Password Protect

Protect against file disclosure

1when share the use of devices
2when being away from logged-in devices
3when miss sent to incorrect recipient

Protect against file disclosure

4 on Cloud storage and network sharing
5 on local storage and DAS/NAS
6 on a lost or stolen devices/disk

Protect against file disclosure

7 on devices at repair shop
8 from malicious or criminal device hacking
9 from brute-force attack

How to Password Protect Files on Macbook macOS Mojave?

Option A. Use DearMob iPhone Manager - Single User File/Folder Encryption Method

Password Protect Files/Folders on Mac

Step 1: Install DearMob iPhone Manager on Mac.

Step 2: Open the software and click "File Encryption".

Encrypt Files on Mac

Step 1: You will be lead to this panel, and click "Add-File", you can successfully load your local image or video for encryption.

Note: DearMob iPhone Manager can read not only your files saved on Mac but files in storages connected to it, including direct connected storages like external hard drive, USB and network connected storages like LinkStation 220.

Step 2: Follow the on screen guide to enter password to protect files on Mac

Note: DearMob iPhone Manager support encrypting files of the below formats

MacOS supported file format encryption: *.3gp, *.asf, *.avi, *.flv, *.mov, *.mp4, *.ts, *.wmv, *.mkv, *.3g2, *.rmvb, *.ogg, *.f4v, *.m4v, *.mp3, *.wma, *.aac, *.wav, *.m4a, *.flac, *.ogg, *.oga, *.ape, *.heic, *.jpg, *.jpeg, *.png, *.gif, *.tiff.
Windows supported file format encryption: *.jpeg, *.png, *.gif, *.bmp, *.tiff, *.mov, *.mp4, *.rmvb, *.wmv, *.avi, *.mkv, *m4v, *flv, *asf, *3gp, *.ts, *.ogg, *.3g2, *.f4v);

Option B. Mac Disk Utility Encryption - Whole-Disk Encryption Method

Mac Disk Utility Encrypt Files

Mac computer allows users to create virtual iOS disk image to lock some of the most important files locally.

Head to Mac Utilities > Find Disk Utility > Click on "New Image" >
Choose an AES Encryption > Enter & Verify your password > Done

Note: DO REMEMBER to UNMOUNT your newly created disk after encryption or adding files into that disk folder. When the disk folder keeps open, all your files are visible!

And this is where Whole-Disk Encryption falls short of. Since this type of encryption does not stick to each file, and decryption of one password unboxes all your sensitive files!


If you desire to get "out of the box" encrypted versions of iPhone video, photos, contacts, backups when transferring out to Mac/Windows, computer-attached DAS/NAS, or uploading to cloud. DearMob iPhone Manager is your second to none choice to overwrite original iOS data on disk with encryption on macOS Mojave, instead of creating unencrypted originals which aren't easy to wipe out entirely.

5KPlayer iPhone Manager How to Password Protect Files Mac

Joakim is a tech addict and mobile enthusiast ever since the Symbian era. Now as a technical writer, he loves to test software and devices, and share his discoveries in plain language. Jogging helps him think better and stay energized throughout the day.

Related Articles
1Transfer Videos from iPhone to Computer

Here are 6 free ways to transfer all kinds of videos from iPhone to PC, no data loss during the process if you follow the instruction in the right procedure.

2 How to Backup iPhone to Computer?

How to backup iPhone to computer to keep all you photos, music, sms & other data safe and secure on a bigger storage computer hard-disk? This page will tell you.

3Encrypt Data Before Storing on Cloud

Always encrypt data before storing it in the cloud. Encrypt your iPhone data and local data before sending them to Dropbox, Onedrive & network sharing like emailing.

Home | About | Contact Us | News | Privacy Policy | Agreement | Site Map

Copyright © 2024 Digiarty Software, Inc. All Rights Reserved.
5KPlayer & DearMob are brands of Digiarty Software, Inc. Any third party product names and trademarks used in this website are property of their respective owners. All the related logos and images, including but not limited to Apple's AirPlay®, Apple TV®, iPhone®, iPod®, iPad®, iTunes® and Mac® are registered trademarks of their own. Digiarty is not owned by or affiliated with Apple Inc. or any of those companies.