I believe that many Mac users have encountered the situation where the files in Mac cannot be copied to the mobile hard disk. It may be because the system file format of Mac is incompatible with Windows. Secondly, it may also be because the copied files exceed 4GB, which happens to be What should I do if I cannot copy files to the mobile hard drive when using the FAT32 file system format? This article will teach you what to do if your mobile hard drive can only be read but not written on your Mac.
1. Files in Mac cannot be copied to mobile hard disk
Files in Mac cannot be copied to a mobile hard drive. This is usually caused by two situations. One is: using a mobile hard drive formatted with the FAT32 file system. This file system format does not support saving files larger than 4GB (as shown in the figure below) . How to solve this situation?
Figure 1: File system format
Solution: Convert disk format
When encountering this situation, you usually choose to convert the mobile hard drive to another format. Converting the format requires formatting the mobile hard drive (formatting will clear all files in the mobile hard drive, please make a backup of the mobile hard drive before converting the format). You can format the disk with the help of the system's own "Disk Utility", which can be formatted into a variety of formats. It is recommended that the mobile hard disk be formatted in exFAT format.
Figure 2: Format the mobile hard drive
If you use an NTFS formatted disk on a Mac computer, you only have "readable" permissions. By consulting the "Disk Utility User Manual" on Apple's official website, we can see that the Mac system does not support reading and writing NTFS format disks. If you don’t want to format the mobile hard drive to another format, you can refer to the method provided below.
Figure 3: Format supported by Mac system
Solution: Use Tuxera NTFS for Mac
Tuxera NTFS for Mac is a complete Mac reading and writing software. It can not only easily solve the problem of Mac being unable to read and write NTFS disks, but also repair and format the disks to improve the security and convenience of data reading and writing. With the help of this The software can enable the Mac system to normally read and write the NTFS file system mobile hard disk. For detailed usage, you can read below.
2. What should I do if the mobile hard disk can only be read but not written on Mac?
As shown in Figure 5, looking at the disk introduction, you can see that the Mac system only has read permission for the "NTFS" format disk. The read-only permission means: you can open the files on the disk, but you cannot modify the files on the disk, nor can you Drag files into the disk.
Figure 5: Read-only permissions
As shown in Figure 6, when you encounter this situation when you drag a file, it is probably because the disk is using the NTFS file format system. As mentioned above, the Mac system can read and write the NTFS format file system normally with the help of Tuxera NTFS for Mac. The specific usage is as follows:
Figure 6: Unable to write to disk
2After the download and installation are successful, open Tuxera NTFS for Mac in System Preferences. In fact, no additional user operations are required after the download is successful. After the installation is successful, it will automatically mount the NTFS format disk.
Figure 8: System Preferences
3. If your hard disk still can only read but not write, you can run the software and check whether the software is "enabled".
Figure 9: Mounting the disk
The above introduces how to solve the problem that the mobile hard disk can only be read but not written on Mac. As a solution to the problem that Mac systems cannot read and write NTFS-formatted disks normally, in addition to formatting them in other formats, you can also use Tuxera NTFS for Mac software to read and write NTFS-formatted mobile hard disks normally without formatting.
Tuxera NTFS for Mac download:
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https://wm.makeding.com/iclk/?zoneid=34241
3. Summary
This article introduces how to solve the problem of a mobile hard drive that cannot be copied on Mac and what to do if the mobile hard drive can only be read but not written on Mac. It is recommended that you format the mobile hard drive in exFAT format, which can be read and written normally on both Mac and Windows systems. If you don’t want to format the mobile hard drive, you can use Tuxera NTFS for Mac on your Mac system to read and write NTFS-formatted disks normally.