
Create a new hard disk drive partition without formatting in Windows, Partitioning a hard disk drive (HDD) is the process of dividing it into multiple sections, each of which can be formatted with a different file system and used to store different types of data. This can be useful for organizing your files, improving performance, or creating a separate partition for your operating system.
Windows includes a built-in tool called Disk Management that allows you to create, delete, and format partitions. You can use Disk Management to create a new partition without formatting your existing data, but you must have some unallocated space on your HDD before you can do so. To create a new hard disk drive partition without formatting in Windows, follow these steps:
- Press the Windows key + Rto open the Run dialog box.
- Typediskmgmt.mscand pressEnterto open Disk Management.
- Locate the HDD that you want to partition.
- Right-click the unallocated space on the HDD and selectNew Simple Volume.
- In the New Simple Volume Wizard, follow the on-screen instructions to create the new partition.

Step-by-step guide with screenshots:
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- PressWindows key + Rto open the Run dialog box.
- Typediskmgmt.mscand pressEnterto open Disk Management.
- Locate the HDD that you want to partition. In this example, we will partition the HDD labeled Disk 1.
- Right-click the unallocated space on the HDD and select New Simple Volume.
- In the New Simple Volume Wizard, clickNext.
- Enter the size of the new partition in megabytes (MB). You can also specify the drive letter and file system for the new partition. In this example, we will create a new partition with a size of 20 GB and the drive letterD.
- Click Next to continue.
- Review the settings for the new partition and click Finish to create the partition.
Once you have created the new partition, you will see it listed in Disk Management. You can now format the new partition with a file system and start using it to store data.

Important tips:
- Before you create a new partition, be sure to back up your data. In the event of a power failure or other error, you may lose your data if you do not have a backup.
- Do not create a new partition on the system drive where your operating system is installed. This could cause your operating system to fail.
- Do not create a new partition on the boot drive. This is the drive that your computer uses to boot up.
- If you are unsure about how to create a new partition, consult a computer technician for assistance.
Additional information:
- There are several different types of partitions, including primary partitions, extended partitions, and logical drives. Primary partitions are the simplest type of partition and are used to store data directly on the HDD. Extended partitions can be used to create logical drives, which are partitions that are created within an extended partition.
- You can also use third-party partitioning software to create new partitions. Some popular third-party partitioning software programs include EaseUS Partition Master, MiniTool Partition Wizard, and AOMEI Partition Assistant.

Troubleshooting:
- If you are unable to create a new partition, it may be because there is no unallocated space on your HDD. To create unallocated space, you can shrink an existing partition.
- If you receive an error message when you try to create a new partition, try running Disk Management as an administrator. To do this, right-click Disk Management and selectRun as administrator.
- If you are still having trouble creating a new partition, consult a computer technician for assistance.
FAQS
4. What are the risks of creating a new partition without formatting?
Creating a new partition without formatting is generally safe, but there are a few potential risks:
- If you make a mistake during the partition creation process, you could damage the existing partition structure or lose data.
- If you don’t allocate enough space for the new partition, you could run out of disk space later.
- If you choose the wrong file system, you might not be able to access the data on the new partition.
5. What are some alternative methods for creating partitions?
There are several third-party partition management tools available, such as EaseUS Partition Master and AOMEI Partition Assistant. These tools offer more advanced features and may be easier to use for some users.
6. What are some additional tips for managing partitions in Windows?
- Use Disk Management regularly to check the health and status of your partitions.
- Back up your data regularly before making any changes to your partition structure.
- Use a third-party partition management tool if you need more advanced features or a more user-friendly interface.
Conclusion:
Creating a new hard disk drive partition without formatting in Windows is a relatively simple process. However, it is important to back up your data before you create a new partition and to be careful not to create a new partition on the system drive or the boot drive. If you are unsure about how to create a new partition, consult a computer technician for assistance.