Lock folder in Mac, increase/ reduce folder size - Disk Image
Channel: Video Journal blog
Date: 2017-07-29

VIDEO JOURNAL presnets tutorial to lock a folder or create a password protected folder. The process involves creating a disk image and protecting it with a lock. Video guides how to easily modify folder space.

The steps are as follows:
1. Go to Launchpad - Disk Utility
2. Click on file - New image - blank image (or image from folder if you already have the content to be protected)
A box will pop up.
3. Fill in the folder name and change encryption to 128. And press enter
Your disk image(.dmg extension) and folder will be created. Now you can add or remove data to the folder.
Remember to eject the folder after use. Click on the disk image(.dmg) and enter password to get the folder.

To increase disk/ folder space, again open the disk utility and go to Image- Resize. Change the space as required.

Folder can be deleted easily by ejecting the folder from the menu and moving the disk image(.dmg) to the trash.