2
Format Types
There are several dierent format types, each compatible with dierent operating systems.
Some products may require formatting with a specific format type. Refer to the
manual supplied with the product to select the most suitable format.
NTFS
NTFS formatting is compatible with Windows. Mac OS can read this format but not write to it. It can
handle les larger than 4 GB.
FAT32
FAT32 works with most modern operating systems including Windows and Mac OS. It doesn't
support the use of les larger than 4 GB.
Mac OS Extended
This is a format for the Mac OS only. It supports use of les that are 4 GB or larger in size. Windows
doesn't support this format.
NTFS FAT32 Mac OS Extended
Windows
◎ ○
×
Mac OS
X
10.4 and later
△ ○ ◎
◎
: Both reading and writing are supported.
○
: Both reading and writing are supported (cannot handle les larger than 4 GB).
△
: Only reading is supported. Writing is not supported.
×
: Not supported. (Hard drive is not recognized.)
Notes
●
Never unplug, reset, or turn o the computer during the formatting process.
This could result in damage to the drive or other problems. Proper operation cannot be guaranteed if
the format process was interrupted.
●
Formatting will erase all data on the hard drive. Before formatting, back up any data.
The user is responsible for any data lost due to formatting of the hard drive..
Don’t format the wrong drive! Check the drive letter and partition name carefully. If you format the
wrong drive, all data on it will be lost.
The formatting procedure varies depending on how the drive will be used. Refer to the
pages below.
• Formatting with NTFS or FAT32
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P 3
• Formatting with Mac OS Extended
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P 5
