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How to use Time Machine to back up Mac for the first time?

I need to back up my old, Macbook Pro circa 2015, so I got a Scandisk SSD to use with Time Machine. As I go through the process Time Machine wants to erase files currently on the disk. There is a Install Security Mac.zip file. What is this and do I care if it is erased?

Best Answered by

iBoysoft author Anna Yuan

Anna Yuan

Answered on Wednesday, November 22, 2023

Just as its name explained, it's designed to secure your data on this drive. It's software that came with your Sandisk disk and the manufacturer suggested you install it. SanDisk Security zip file uses 128-bit AES encryption to create a password-protected folder on this drive. Any locked files are moved into this folder and can be accessed only with a password.

If you forgot the password to access the SanDisk-protected file folder, that would be a disaster. Another downside of using the manufacturer's software is that if it is not loaded, the Macintosh volume is not readable. This means that the Macintosh volume will not be visible in the startup manager, Installer, and in recovery such as after a data loss. 

Thus, it's no big deal if you erased the Security Mac.zip file. Just follow the Time Machine's prompts, erase your disk, and then back up your MacBook with TimeMachine. Except for Time Machine, you can also use third-party software to back up your Mac with ease. 

iBoysoft DiskGeeker is a comprehensive disk management tool for Mac that is able to clone disks, map network drives, and check and repair disk errors. Here's how to back up your Mac with iBoysoft DiskGeeker:

  1. Download and install iBoysoft DiskGeeker on your Mac, and restart your Mac computer when the installment finishes.
  2. Connect the disk you use to back up your Mac hard drive and launch iBoysoft DiskGeeker.
  3. Select the Mac hard disk at the left sidebar of the iBoysoft DiskGeeker window.
  4. Click Clone from the right toolbar to use the Mac internal hard drive as the source device.
  5. Choose your external disk as the target drive from the pop-up list and click startClone to clone Mac hard drive. A prompt will warn you to make a backup of the destination disk because the cloning disk will overwrite all data on it. If you click OK, the clone starts.

When the cloning process finishes, you'll get whole backups of your Mac.

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