Fixing USB Error: Unable to Copy Files Larger than 4GB

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Ngày cập nhật gần nhất: 15/4/2026

USB error preventing copying files larger than 4GB is quite common and often occurs with individuals new to using peripheral devices such as USB. This is not necessarily a fault but rather due to incorrect formats being used that do not align with the system's capabilities. To fix this error, refer to the article below.

You may own a USB with a high capacity such as 8GB, 16GB, or even 32GB, but you cannot copy files larger than 4GB with a message stating the file is too large for the system. You may suspect that your USB is faulty or that you have purchased counterfeit goods or have been infected by a virus. However, none of these are true; it's simply because you haven't formatted your USB correctly. In this article, Mytour will guide you on how to fix the USB error preventing copying files larger than 4GB by formatting the USB correctly.

Guide to Fixing USB Error: Unable to Copy Files Larger than 4GB

Step 1: Right-click on the USB encountering the error and select Format.

Step 2: In the File System section, choose NTFS and then press Start.

Step 3: Wait for the software to finish running, and you will receive a Format Complete notification.

Step 4: Now you can try copying files larger than 4GB again.

Here's how to fix the USB error preventing copying files larger than 4GB, which you can easily do by formatting the USB to NTFS. This allows you to copy very large files and provides better security than the default FAT32 format that USB uses. Alternatively, you can use more professional USB formatting software with more customizable features.

Furthermore, for enhanced protection of your USB, USB Disk Security is the top choice. As we all know, USB devices are the most susceptible to virus infections, and USB Disk Security will help you address that issue.

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