Windows OS users know that they have two amazing tools for managing
the disks and partitions--Disk Management and Diskpart. The Disk Management tool in
Windows gives you an easy-to-use graphical interface which can manage disk only with
mouse-clicking. While Diskpart is a tool that you can manage your disk or partition on
the command prompt quickly. To assign letter to drive, you can use both Disk Management
and Diskpart. If you want to change the drive letter quickly, the Diskpart utility makes
Assign drive letter with CMD
To assign, change, or remove a drive letter, you can use the Windows interface of
Disk Management, or use the command line on the prompt of Diskpart. Diskpart is a
built-in tool that you can use to manage your hard drive, like format disk partition, create partition, delete partition, etc.
well, how to assign drive letter with Diskpart?
Step 1. To use a command line, you need to open the command line
first. Click Start, type “cmd” at the search box and right click the program, select
“Run as Administrator”, or press “WIN+R”, type “cmd” and press Enter. Then, type
“diskpart” to start.
Step 2. Type list volume and press Enter. Here you should know the
number of the simple volume whose drive letter you want to assign, change, or
Step 3. Select volume n and press Enter. Here you can select the
volume whose drive letter you want to assign, change, or remove.
Step 4. Then, if you want to assign or change the drive letter, type
If you want to remove the drive letter, type “remove letter=R”.
Therefore, you have already assign, change, or remove a drive letter. And you can
type list volume to see the details.
Actually, you may assign drive letter when you create a new one. For that, you need
to create partition first. After
create partition, type “assign letter=?” to that partition. Or, if there is some
volume hidden, it will not have the drive letter, to unhide it, you need to assign a
drive letter for it. Thus, Diskpart may have a little bit complex. Fortunately,
there is another easier and simpler way, which could save a lot of steps.
Easier to Assign drive letter with AOMEI Partition Assistant
AOMEI Partition Assistant is a great powerful partition manager which you assign drive letter with easy-to-use
graphical interface. Since AOMEI Partition Assistant 5.8 Edition released, it added
the partassist.exe utility, which you can use it to manage disk and partition with
command line. To assign drive letter with partassit.exe, here are the steps you can
Step 1. Install AOMEI Partition Assistant to your computer. Open the command prompt by
clicking Start, typing “cmd”, and right-clicking the program, then selecting “Run as
Administrator”, or pressing “WIN+R”, typing “cmd” and press Enter. Then, type “cd C:
\Program Files \AOMEI Partition Assistant Standard Edition 5.8”, press Enter. To
assign a drive letter, you can use the parameters “ partassist.exe /hd:0
/setletter:0 /letter:F”. Here, we take an example for assigning a drive letter to a
Step 2. Type: partassist.exe /list. Press Enter. It will list all
disks on your computer.
Step 3. Type: partassist.exe /list:1, then press Enter, it will show
you all the volumes on disk 1.
Step 4. Type: partassist.exe /hd:1 /fmt:H /fs:fat32 /label:xbox
Press Enter, and wait till the progress reaches 100%. Actually, you can also use this
syntax to change drive letter for other volumes. But if you want to remove a drive
letter, you can use the following parameters:
Remove a drive letter, type: partassist.exe /hd:0 /setletter:0 /letter:*
How to assign drive letter with GUI interface?
AOMEI Partition Assistant provides you another way to assign drive letter much
easier. that is using GUI. people can assign drive letter or remove drive letter
without Diskpart command nor Partition Assistant command line.
>Launch AOMEI Partition Assistant, it will show you all storage devices in the
main interface. you can see the removable drive doesn't have a drive letter. If you want to assign a drive letter for the drive, here you need to right click it, select Advanced-> Change Drive Letter.
>Then, select a drive letter for the drive.
>Click Apply to submit the task.
AOMEI Partition Assistant supports almost all Windows operating systems, like Windows 10, 8, 7. It has many
editions for different OSes. The AOMEI Partition Assistant Server edition is for Windows Server 2003/2008(R)/2012(R); the Standard and Professional edition is for Windows PC OS, like Windows XP/Vista/7/8/8.1/10. Both
Diskpart and AOMEI Partition Assistant can manage disk with command line, but AOMEI
is more flexible, and easier and simpler.
Although the system drive letter can be changed, do not do it because that would make
system unable boot.