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...you connect the storage device to Mac computers, and you don't need to allow a Windows computer to
read or write to the disk. HFS+ is the only format compatible with Time Machine.
Use APFS if:
...you connect the storage device to Mac computers, and you don't need to allow a Windows computer to
read or write to the disk. Do not use APFS if you intend to use Seagate Expansion SSD with Time Machine,
or if your computer is not running macOS 10.13 or later.
Use exFAT if:
...you need to allow both Mac and Windows computers to read and write to the disk.
You can use FAT32 if:
...you connect the storage device to older Windows and Mac computers. FAT32 is not recommended for
modern operating systems and computers.
Manual forma ng
Use the steps below to manually format and partition a storage device.
Formatting erases everything on the storage device.
up all data on your storage device before performing the steps below. Seagate is not
responsible for any data lost due to formatting, partitioning, or using a Seagate storage device.
Mac
macOS version 10.11 and later
1. Open the Finder and go to
2. In the sidebar to the left, select your Seagate Expansion SSD.
macOS starting version 10.13—Make sure to select the disk and not just the
volume. If you don't see two entries listed in the sidebar, change the view in
disk utility to show both the drive and the volume. The view button is in the
upper left side of the Disk Utility window. Change the view to Show All Devices.
This feature was introduced in macOS 10.13 and is not available in 10.11 or
10.12.
3. Select Erase.
4. A dialog box opens. Enter a name for the drive. This will be the name displayed when the drive mounts.
5. For Format, select
6. For Scheme, select
Expansio n SSD
Applications > Utilities > Disk
OS X Extended
(Journaled).
GUID Partition
Map.
Seagate highly recommends that you back
Utility.
10/4/19
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