How to Partition a Hard Drive in Windows 10?

Creating hard drive partitions in Windows 10 is easy and can be done in a few simple steps. You need to make use of the Windows Disk Management Tool.

Disk Management has been part of Windows since Windows XP. However, Microsoft has updated it over time and added several new features. Here are the steps to partition a hard drive after Windows 10 is installed.

1. Open Windows Disk Management using either of these ways:

a. Press Windows logo + X to invoke the Power user menu

b. Select Disk Management from the menu


a. Click on the Windows Start Menu icon at the bottom left corner of your screen

b. Click on File Explorer

c. In the explorer window that opens right-click on “This PC” on the left

d. From the pop-up menu that appears, choose “Manage”

e. In the “Computer Management” window that opens, click on “Disk Management” in the left

2. In the Disk Management section, you’ll be able to see your primary hard drive partition as “C:” (default) or another drive letter. It would indicate the size of your system’s storage space.Partition a Hard Drive in Windows

3. Select the hard drive by clicking on it.

Note: If it’s a new drive, you will see unallocated space beside the C: drive where Windows 10 is installed.

4. Right-click on “Unallocated” space and select “New Simple Volume”.

5. In the New Simple Volume Wizard window, click Next

6. In the next window, you get the option to select the size of the new volume.

Note: By default, the complete unallocated space is selected as the size for the new partition. The size of the unallocated space is mentioned in MB. You can use MB to GB conversion calculator to know how many MBs make the desired GB partition size.

If you want the new volume of a particular size, click the downward arrow to reduce the size of the new volume you want to create. This will allow you to create another partition of the remaining unallocated size. If you want the new volume to utilize all unallocated space, you can go with default options.

7. Click Next

8. In the next window, select the desired drive letter from the drop-down list. You can go with default option or select any desired drive letter and click Next

Change Drive Letter or path

9. In the Format Partition window, you are presented with two options- Do not format the volume and Format the volume with following settings

Note- you need to format the volume to store data in a new partition that you are creating

10. Click Format the volume with following settings

11. In the File System- select NTFS

Format the Disk Volume

12. Keep the default option for Allocation unit size

13. Type a name for your new partition or you can go by the default name that is New Volume

14. Click Next

15. In the next window, click Finish

Windows will now start the process of partitioning and formatting the new volume. Wait for the process to complete. After the process is completed you can see a new partition appear in the hard drive section of Disk Management. The newly created hard drive partition will mention the drive letter, the size in MB and the volume name.

You can now open File Explorer and check the newly created partition. Since the hard drive is formatted, you can store files and data in this new partition.

What to do if data loss after Partition a Hard Drive in Windows?

While partitioning a hard drive, what happens if suddenly your system’s power fails, the Windows Disk Management tool crashes, or you select and delete an incorrect partition by mistake; any of these incidents might result in data loss. Recovering the lost data would become a challenge if there’s no backup of the data.

If you’re facing data loss during or after hard drive partitioning, don’t panic. Take help of professional data recovery experts such as Stellar Data Recovery who can retrieve the lost data easily and without any risk.

You may also try out a data recovery software first before considering a specialized service. However, the decision should consider key factors such as the physical state of your hard drive (too many bad sectors or fragmentation might make it unsuitable for software-based recovery), how important is your data (are your mentally prepared to take any chances with your data?), and your comfort and proficiency level with DIY software tools. In these circumstances, a professional data recovery service will be a better option instead of software. Stellar® is a data care specialist organization which brings the right mix of people, technology, and experience to deliver secure, assured, and efficient data recovery services.

Stellar Remote Recovery Services

Stellar is committed to data recovery needs across the country during the COVID-19 crisis. In continuation of our commitment to data care services and to ensure data loss does not hamper businesses or individuals, Stellar will be operating online and provide remote data recovery services.

We are available on Chat, Phone and Email.

Wrapping it up

Creating hard drive partitions is important to make the hard drive usage. You need to make hard drive partitions of the right size as per your requirements. Make sure you defragment the hard drive partitions regularly so that will store data in contiguous clusters and improve Windows performance. Sometimes you may lose your data while formatting a drive for partitioning. In that case, take the help of professional data recovery experts to retrieve your lost data.

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