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This article explains reformatting is required for macOS compatibility.*END
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Issue:
'Mac OS Compatible' My Passport, My Book and WD easystore drives formatted with NTFS will mount as a Read Only file system when connected to a macOS computer.
Cause:
Mac OS can read but not write to NTFS formatted drives.
Solution:
- To use the device on macOS and for Time Machine backups, format the drive as HSF+.
For assistance formatting the drive for Mac usage, please see Answer ID 8200: How to Partition and Format a WD Drive on Windows and macOS - To use the device on macOS and Windows OS, format the drive as ExFAT.
For assistance formatting the drive to exFAT, please see Answer ID 20821: How to format a WD hard drive to exFAT or FAT32 file system - My Passport for Mac and My Book for Mac are formatted with HFS+ and are Mac Ready
and are preformatted HSF+
![Wd my book for mac external hard drive - 2tb black usb 3.0 atx intel motherboard Wd my book for mac external hard drive - 2tb black usb 3.0 atx intel motherboard](/uploads/1/2/5/8/125838023/238953047.jpg)
Applied Products:
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