How to Copy Bootable USB to USB Drive in Windows 7/8/10?

Posted by @Teresa

May 8, 2018

This post shows how to copy USB drive including bootable USB stick to another USB drive without data loss in Windows 7/8/10.

Why copy USB flash to USB flash?

USB flash drives as the removable device are fairly convenient in transporting small amount of data from place to place and keeping the data readily at hand. An USB drive uses low power and has no fragile moving parts. It is small and light in capacity and mass, and could be purchased in low price. The majority of PC users holding more than one USB drive normally. Many users would store their important files or documents that need to be move to other places on USB drive. So they may need to copy files from USB to Xbox USB sometimes, for instance.

Generally, the most commonly used media that as bootable device is also USB flash drive due to aforementioned factors.

It is a good assistant when it comes to boot off unbootable computer with boot files. Many third-party tools support creating WinPE bootable media on USB flash drive, so that you can run that software without booting Windows.

Surely, USB flash drive can be partitioned into multiple partitions even if only the first partition can be recognized by Windows. For more information, please refer to how to partition USB drive.

How to copy USB to USB in Windows 7/8/10 accordingly?

If there are only files including documents, photos, music etc on your USB, you can drag & drop everything from one to the other in Windows Explorer to realize copying files from USB to USB. If the data size on the USB is too large, you may find that copy from USB to USB very slow. Using USB free backup software to perform disk backup and restore it to the target USB may be faster than Copy & Paste.

However, if the USB happens to be a bootable drive, that method won’t work. You need to make exact copy from the bootable USB to the other with the help of professional USB to USB copying software AOMEI Backupper Professional. This utility allows you to copy Windows 7 MBR USB to USB with boot files. The fastest way to copy from USB to USB via AOMEI Backupper is cloning disk since there are boot files exist. If there is only one partition on your bootable USB flash drive, you can clone partition only. If there are more than two partitions on the USB drive, the best way is clone the entire disk. Steps are easy due to its user-friendly interface. Follow this article to learn how to copy bootable USB to USB in Windows 7.

Simple steps to clone bootable USB to USB via USB cloning software

1. Insert the two USB drives to your PC via USB ports on the machine. Make sure they are be detected by Windows.

2. Install and start AOMEI Backupper. Click Clone tap and then select Disk Clone.

Disk Clone

3. Select the bootable USB as the source disk and the other as the destination one. Don’t mix them up, or you’ll lose everything on the bootable USB.

Source Disk

Destination Disk

4. Here is the operation summary. You have option to edit partitions on the destination USB drive, but if you want to make exact copy of the source USB, tick Sector by sector clone box. Meanwhile, the option to edit partitions will disappear. Click Start Clone then.

Start Clone

Tips: above steps also apply to how to copy USB key to USB in Windows 10, Windows 8, Windows 8.1, Windows XP and Windows Vista.


The question of how to copy USB to USB has been answered now, and it is quite simple actually. Copying USB to USB with boot files is also easy to complete. If there is only files on the source USB drive, Windows File Explorer is good enough to achieve file transferring.

AOMEI Backupper is an all-around tool that protects your Windows with effective solutions. For instance, you are allowed to restore Windows 10 backup to dissimilar hardware for image deployment. You can incremental backup to external hard drive and it will automatically manage the destination disk space on the external drive at the same time.