In daily life, a lot of people will use a USB flash drive or a removable hard disk to store some information, but some of the information we do not want others to see, this time we need to encrypt the data, then how to use Mac to encrypt NTFS disk? Here we introduce to you about this problem. steps: 1. Preparing NTFS disks , to the NTFS for Mac Chinese official website, download software, because our Mac system to NTFS format disk only read, after installation we can make any changes to the NTFS disk, download link:http://www.ntfsformac.cn/ figure I: Installation Guide View 2. Open the Disk utility in your Mac system and plug your NTFS disk into your computer. Figure II: Disk Utility interface 3. Locate your storage device in the left-hand list of disk utility and select it. 4. In the Disk utility, select the "Erase" column. Then select "Mac OS extensions (journaled, encrypted)" in the "format" drop-down menu, then enter your USB flash drive name. Figure III: Select Encryption 5. Click on the "Erase" button, then set your password in the pop-up window, OK. Figure IV: Create encryption password Note: This method requires formatting the disk, so copy the contents of the disk before the operation to avoid losing the file. The         MAC system allows you to format the disk so that it can encrypt the contents of the data inside it. And you need to enter a password to authenticate each time you insert it so that no one else can peek at my disk content. We also use MAC to partition NTFS disks, for more information, refer to the article: how to partition a removable hard disk with your Mac. above is reproduced content, the original is: http://www.ntfsformac.cn/ntfs-jiami.html
How to encrypt NTFS disks with your Mac