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How to copy a flash drive to another flash drive on Windows & Mac

Updated on Apr 03, 2019 by Jean to Todo Backup Resource

Summary:
Here you can learn how to copy a usb flash drive to another flash drive easily and completely, including all files, applications and even operating system on it.

The necessity of using software to copy a USB flash drive to another

Speaking of copying files from one usb flash drive onto another flash drive, you may think it as a piece of cake! For a small size of USB flash drive with files, applications or even OS on it, yes, it's easy, just a Ctrl C + Ctrl V can make it. What about a flash drive having enormous data there? Will you spend hours and do nothing but wait? Let alone the process would interrupt repeatedly due to errors, such as 'an unknown file error occurred' or 'filename too long to copy', etc.

Considering the aspects of copy time and potential incidents, it's necessary to come up with some USB image tools with competent ability to copy a flash drive to another flash drive without a hitch.

How to copy a flash drive to another flash drive on Windows

If you are a Windows PC owner, download and install EaseUS Todo Backup for Windows on your PC. It's Windows backup software that supports to copy all files, applications, and system on your flash drive and save the image file to another one.

Insert both your flash drives on the computer, and run EaseUS Todo Backup.

Tip
If you've saved data in the new USB flash drive, move those data and empty the USB in advance. Otherwise, if you directly clone your current USB data to the new one, data loss issue will occur unavoidably.

Step 1. Connect new USB flash drive to your PC
First of all, please connect the new flash drive to your PC, making it recognizable by the PC.

Step 2. Run EaseUS Todo Backup for cloning USB to USB
Run EaseUS Todo Backup on your PC and click Clone on the left pane so as to start cloning USB.

Run EaseUS Todo Backup to clone USB to USB.

Step 3.Clone USB to USB with easy clicks
1. Choose your old USB as the original source disk.

Choose USB which you want to clone as the source disk.

2. Select the destination disk - new USB flash drive for saving cloned data.

Choose new USB as destination disk for saving data.

3. Click Proceed to start cloning USB to USB now.

Start cloning USB to USB without losing any data.

After cloning, you should now keep two identical flash drives with the same partitions, data, and files.

How to copy a flash drive to another flash drive on Mac

If you are a Mac owner, download and install EaseUS Todo Backup for Mac on your Mac computer. It's all-in-one software for data backup, backup archive, disk clone, and file synchronization. 

Insert both your flash drives on the computer, and run EaseUS Todo Backup for Mac.

Step 1. In the From drop-down list, select the volume you want to clone, which should be the source usb flash drive.

Step 2. In the To drop-down list, select the other flash drive as the destination disk.

Step 3. Set up the disk cloning properties. Here, you are allowed to exclude files or folders if necessary. 

Step 4. Finally, click the Start button to execute the cloning operation.