But modern ones are faster, more stylish, and often more durable than their counterparts from a few years ago. In an era when many gigabytes of cloud storage storage cost a mere few dollars per month, and trim, slim external SSDs are getting cheaper, external hard drives, based on spinning platter disks, might appear less essential than they once were. Read our editorial mission (Opens in a new window) & see how we test (Opens in a new window).
Since 1982, PCMag has tested and rated thousands of products to help you make better buying decisions. How to Set Up Two-Factor Authentication.How to Record the Screen on Your Windows PC or Mac.How to Convert YouTube Videos to MP3 Files.How to Save Money on Your Cell Phone Bill.How to Free Up Space on Your iPhone or iPad.How to Block Robotexts and Spam Messages.See Protect your Mac information with encryption. You can also encrypt a disk and protect it with a password without erasing it. You can encrypt your data without erasing it by turning on FileVault in Privacy & Security settings (see Encrypt Mac data with FileVault). If the Security Options button is not available, you can’t use Disk Utility to perform a secure erase on the storage device. Secure erase options are available only for some types of storage devices. (Optional) If available, click Security Options, use the slider to choose how many times to write over the erased data, then click OK. To change the password later, select the volume in the sidebar, then choose File > Change Password. In the sidebar, select the storage device you want to encrypt.Ĭlick the Scheme pop-up menu, then choose GUID Partition Map.Ĭlick the Format pop-up menu, then choose an encrypted file system format.Įnter and verify a password, then click Choose. If Disk Utility isn’t open, click the Launchpad icon in the Dock, type Disk Utility in the Search field, then click the Disk Utility icon. In the Disk Utility app on your Mac, choose View > Show All Devices. If the device contains any files you want to save, copy them to another storage device or volume.
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