The USB drive or memory card is the most common removable storage device used by many people around the globe. It is used to store important files or data backup. But what if you want to organize the space? Creating a partition can be a solution here. Whenever you plug-in USB drive to your PC or laptop, do you think about how to partition a USB drive?

Partitioning USB drives can help you sort your data by separating essential tools or files from backup data. Partition flash drive can be done by using diskpart command or by making changes in Disk Management.

And, for the ones who are wondering what is thumb drive, it is nothing different from your USB drive. USB flash drive is also known as a thumb drive due to its small size.

How to Partition a USB Drive in Windows 10

There are also different USB partition tools available in the market to perform partitioning without getting into Disk Management. Let’s see how to partition a USB drive in Windows 10 using the three ways mentioned below.

1. How to Partition a USB Drive Using Diskpart Command

Note:  You need an Admin account to partition your flash drive successfully.

If you want to access the diskpart command to partition your USB drive, use the command prompt.

Press Windows key + R, type cmd and click on OK to open the command prompt.

Once it opens, type diskpart and press Enter.

You need to hit Enter after every command you type.

Execute diskpart command

Now a new window opens, which looks similar to the command prompt, type list disk to list all the available drive on your system.

Select the flash drive to partition.

Use command select disk * (here *  means the disk no, it is 1 here, but it can be different for your system) to select the disk.

Execute list disk and select disk command

Once the disk is selected, it’s essential to clean the partitions, if present before.

You can use a clean command to carry out the task.

Now create partition by specifying the size in MB.

For example, let the size of partition be 3GB, so type the command as create partition primary size=3000. To create the file format of type FAT32, use the command format fs=fat32 label=’FAT32’.

Here, the label is optional, as it is just used to give a name to the new volume.

clean and format to partition usb drive
Create the partition in the USB drive

To assign a letter to the new volume created type assign letter=j

Now, use an active command to mark the current partition as active.

letter assign using the active command
Make the current partition active using the active command

To create a partition of remaining space use command creates partition primary.

partition primary for how to partition a usb drive
Create primary partition

Follow the same procedure as above to create NTFS file type with a slight change in command, format fs=ntfs label=’ntfsfile’.

Assign the unique letter and use list vol command to see the change.

how to partition a usb drive
Execute the set of commands to see the partitioned drive

If this is not clearly explaining the partition of a USB drive, you can navigate to This PC and see disk partitioning.

Note: You can see all the partitions of USB drive in This PC only if Windows 10 has version 1703 and above. Otherwise, only the active partition is visible.

finally see the partition of usb drive
Partitioned drive in File Explorer

You can change the active partition using select partition and active commands in the command prompt. So, you can now see the partition of a USB drive.

2. Use Disk Management to Partition a USB drive

Partitioning of USB Drive can be done using Disk Management as well.

Format your USB drive into NTFS File System.

To do so, right-click on your USB drive and select Format from the context menu.

A window named Format USB Drive appears on the screen. Choose NTFS in File System and click on Start.

Format USB drive
Format the USB drive

To open Disk Management, press Windows key + X and double-click on Disk Management.

open Disk Management
Open Disk Management

Once the Disk Management opens, the screen shown below appears on your screen.

It shows all the drives on your computer along with the detailed information.

check the information on disk management
Detailed information about the USB drive

To resize USB drive, right-click on the Primary Partition in the Removable Disk and then select Shrink Volume from the context menu.

shrink the value to partition a usb drive
Shrink the volume of USB drive

When the next window appears, you need to specify the amount of space to shrink.

For example, if you want to partition 8GB USB drive in two halves, which are 4GB each, then mention 4GB in MB.

Change the value in – Enter the amount of space to shrink in MB as per the size you want to partition.

Click on Shrink.

shrink USB drive
Shrink the USB drive by mentioning the Shrink size

Now, you can see some unallocated space next to the removable disk.

Right-click on it and select New Simple Volume.

new volume
Allocate the space to leftover space after shrinking

Next, you can see a wizard. Create a simple volume on the disk.

Click on Next.

new simple volume wizard
Click on Next

Keep the default value as it is and click on Next.

start the partition process
Click on Next to start the partition process

In the next window, you need to assign a letter to the new volume.

Select a unique letter. It should not be assigned to any other drive.

Click on Next.

assign a letter to partition usb drive
Assign the letter to the new volume

To create a new volume of the FAT32 file system, select FAT32 in the File system and then click on Next.

Select the File System as FAT32

There is a list of settings you selected in the box. If you wish to change any settings, then you can click on Back.

If all the settings are appropriate, click on Finish.

select the settings to partition a usb drive
Check the information related to Disk partition

Next, you can see the changes in your Disk Management.

final result disk management
USB partition in Disk Management

As letter F is allocated in the process, you can also see a new F drive in This PC.

final result
Disk Partition in File Explorer

Now you will see a partitioned USB drive.

3. Partition a USB drive Using a USB Partitioning Tool

Third-party tools are also used to partition a USB drive. If you are not comfortable using the command prompt or you feel partitioning USB drives using Disk Management is a lengthy process, then the USB partitioning tool can work best for you.

There are many tools available in the market, but EaseUS partitioning manager has much to offer with the simple user interface.

You can download EaseUs partitioning software from their official website or use the link below.

Download EaseUS Partition Master

After installing the EaseUS, you need to open it. You can see all the drives, including your removable media.

EaseUS usb partition tool
EaseUS displaying the details of drives on your system

Right-click on your removable disk and select Resize/Move.

Resize to partition a usb drive
Resize the USB drive

Select the Partition size you want and then click OK.

resize the disk
Specify the partition size

There is a new unallocated space below the USB drive. Right-click on it and select Create to create a new volume.

Create new volume
Create a new volume

Give the Partition Label, which is the name for the new volume, also assign the unique Drive Letter.

Do not change the Partition size to divide it into two halves. You can later resize it if you wish to partition the new volume.

Click on OK.

create new volume
Add the details about the new partition

After this, click on Execute Operation to finish the partitioning process. It shows the pending number of operations to execute.

execute operation to partition usb drive
Execute the pending operation to finish the partition process

Click on Finish to close the Operation windows.

Note: You should click on Finish only after the operations complete.

click on finish to create partition
Displaying the executed operation

You can now see another volume with the drive letter specified while creating a partition.

partitioning usb drives using tool
Partition of USB drive in EaseUS tool

The changes will also reflect in This PC.

partition of usb drive windows 10
Partition in File Explorer

In this way, you can use third-party software to partition a USB drive.

But, what if you want to delete the partitioned USB drive that you have created. Well, there is a process for that too.

How to delete the partition from a USB drive?

You can delete or merge partition by using the third-party software as well as the command prompt.

To do it using the command prompt, follow the steps below.

Open the command prompt and type the following commands.

Hit Enter after every command.

diskpart ➜ list disk ➜ select disk * (here * means the number of your removable drive) ➜ list partition ➜ select partition 1 ➜ delete the partition (repeat the selection and deletion process till all the partition deletes) ➜ create partition primary

Exit the command prompt and check This PC, there is no partition in the USB drive.


These steps answer everything you need to know about how to partition a USB drive. Multiple partitions can be created using all the above methods. You need to select which works best for you. If you are comfortable with the command prompt, then using it for partitioning USB drives can be time-consuming but straightforward.

While using Disk management can partition quickly, it has a lengthy procedure. If you do not want to dive into the system settings yourself, then third party software is the best option. However, you need to be careful about the data loss before you partition your USB Drive.

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