See Encrypt disks or memory cards to protect your Mac information.
BEST ENCRYPTION TOOL FOR SEAGATE EXTERNAL MAC PASSWORD
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 the Security & Privacy pane of System Preferences (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. If you encrypt an external device, you must enter the password when you. To change the password later, select the volume in the sidebar, then choose File > Change Password. In Disk Utility on your Mac, protect sensitive information on a storage device. 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. Newer Seagate and LaCie branded external drives come preformatted with the exFAT file system, which allows it to be used on both Mac and Windows without. 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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