This tutorial will teach you how to create disk partitions in Windows using diskpart command. Apart from how to create disk partitions in Windows using diskpart, you can also delete partitions using diskpart command in Windows. Diskpart is the default Windows systems command line disk partitioning utility.

To demonstrate on how to create disk partitions in Windows using diskpart command. I’m going to add a secondary drive to my Windows server, we’ll then Create a Partition using diskpart command, Set label for the partition and assign a drive letter to the partition.

Apart from creating Logical volumes and partitions with diskpart command. You can also repair corrupted external HDD and flash Drives.

Warning:

Please note that diskpart command will completely erase everything on the drive you select. The process has proven to be irreversible so you should always proceed with care.

How to create disk partitions in Windows using diskpart command

Without further ado, let’s dive in. Follow steps below to create disk partitions in Windows using diskpart command.

  1. Launching diskpart utility

To run diskpart, press Windows key + X keyboard shortcut. This will open the Power User menu, then select Command Prompt (Admin).

2. Now type diskpart on the command prompt. If you’re running Windows server, you can just run Powershell then launch diskpart on the cli.

diskpart

3. List available disk drives using the command below:

list disk

4. Now select the drive you want to partition using select disk command. On my setup the disk is number 2 with 2GB of space unpartitioned.

select disk 1
list partition

How to create disk partitions in windows using diskpart command

5. Create a partition. This can be primary or logical depending on your setup. Here I’m creating a primary partition at the beginning of the free space and spans entire disk.

create partition primary

To specify size, e.g 1 GB, use

create partition primary size=1024

To create a logical partition for example:

create partition extended
create partition logical
list partition

How to create disk partitions in windows using diskpart command

6. The next step is to create a filesystem on the partition by formatting it. You can assign custom letter as well.

select partition 1
active
format fs=ntfs quick label="Backup Partition"
assign letter=G:

How to create disk partitions in windows using diskpart command

7. Again list disk, partition and volumes created.

list disk
list partition
list volume

How to create disk partitions in windows using diskpart command

How to delete disk partitions in Windows using diskpart command

Deleting a disk partition using diskpart is similar to creating, the difference is only that delete is used instead of create. For example to delete logical partition we created, do:

list disk
select disk 1
list partition
select partition 2
delete partition
list partition

How to create disk partitions in windows using diskpart command

To clean entire disk, select it and issue the command clean

select disk 1
clean

Use exit command to exit from diskpart command line interface. To this end, you must have understood how to create disk partitions in Windows using diskpart command. More tutorials on Windows server Administration will come soon. Stay tuned.