How can I share the same external hard drive between Windows and Mac?
To share the same external hard drive between Windows and Mac, you need a file system that both operating systems can read and write. The choice depends on your storage needs and compatibility requirements.
1. Choose the Right File System
The most important step is formatting the drive with a compatible file system:
exFAT (Recommended): Fully supported by modern versions of Windows and macOS for both reading and writing. It supports large files and large storage capacities, making it ideal for external hard drives.
FAT32: Works on both systems but has a maximum file size limit of 4 GB, which can be restrictive for videos and backups.
NTFS: Windows can read and write NTFS drives, but macOS can only read them by default.
APFS or Mac OS Extended (HFS+): Designed primarily for Mac. Windows cannot natively write to these formats.
For most users, exFAT is the best choice.
2. Format the Drive
Warning: Formatting erases all data on the drive, so back up important files first.
On Windows:
Connect the external drive.
Open File Explorer.
Right-click the drive and select Format.
Choose exFAT as the file system.
Click Start.
On Mac:
Connect the drive.
Open Disk Utility.
Select the external drive.
Click Erase.
Choose exFAT as the format and GUID Partition Map as the scheme.
Click Erase.
3. Use the Drive on Both Systems
Once formatted as exFAT, you can:
Copy files from Windows to the drive.
Connect the drive to a Mac and access or edit those files.
Move the drive back to Windows and continue working without compatibility issues.
No additional software is required.
4. Safely Eject the Drive
To avoid file corruption:
On Windows, use Safely Remove Hardware before unplugging.
On Mac, click the Eject button next to the drive in Finder.
This ensures all file operations are completed before disconnecting the drive.
5. Alternative Solutions
If the drive is already formatted as NTFS or APFS and you do not want to reformat it, third-party software can provide cross-platform support. Examples include:
Paragon NTFS for Mac
Microsoft NTFS for Mac by Tuxera
However, these tools usually require a purchase and may not be necessary if you can use exFAT.
Conclusion
The simplest and most reliable way to share an external hard drive between Windows and Mac is to format it as exFAT. This file system supports large files, works natively on both operating systems, and requires no extra software. By formatting the drive correctly and safely ejecting it after use, you can seamlessly transfer files between Windows PCs and Macs using the same external hard drive.
0コメント