Updated on April 19, 2024

"Unpartition My Hard Drive:"
"Several years ago, I divided my C drive and created a D drive with more space than I probably should have. Now, I need to reclaim some free space from D and allocate it back to C, which has less than 3 GB left. Is there any way to do this?" - posted by dougroberts3 from Microsoft Community

how can I unpartition my hard drive

If you wish to add unallocated space to another hard drive for expanding storage, you need to unpartition a hard drive. Unpartitioning a hard drive involves deleting or removing partitions on a hard drive or SSD. Proceed with the methods provided below, and you'll be able to successfully unpartition a hard disk on your own.

Overview of Everything You Need to Unpartition a Hard Drive: Everything You Need to Know to Remove Partition from a Hard Drive:

Please provide the list of languages you need translated into English, I'll do my best to assist you.

?Objective Combine a hard drive, remove a volume, and create a partition for disk partitioning.
?Preparation 1. Have a hard drive ready to combine. 2. A functioning and healthy Windows PC. 3. Obtain a trustworthy tool for disk combining.
?️Tools #1. Partition Master - Easiest; #2. Disk Management; #3. DiskPart.
?Supported OS Windows 11/10/8.1/8/7, Windows Vista/XP, and Windows Server operating systems.

1 - Unpartition a Hard Drive with Partition Master Tools

This is the simplest method to unpartition a hard drive on Windows 10/8.1/8/7. The tools Partition Master tool simplifies the process of deleting partitions. It only requires three steps to unpartition a hard drive on Windows 11/10/8.1/8/7.

Follow the steps below to unpartition a hard drive using a partition magic tool.

Step 1. Launch AOMEI Partition Assistant, and click "Partition Manager".

Before deleting any partitions on the disk, make sure you've backed up important data.

Step 2. Select to delete partition or delete all partitions on the hard drive.

    Translate the following text into English: -
  • Delete single partition: Right-click on the partition you wish to delete and select "Delete".
  • -
  • Delete all partitions: Right-click the hard drive from which you want to delete all partitions, and choose "Delete All".

Step 3. Click "Yes" to confirm the deletion.

0:00 - 0:26 Remove individual volumes; 0:27 - 0:53 Erase all partitions.

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Further Reading: Partition Hard Drive

2 - Unpartition a Hard Drive with Disk Management

If you'd rather not download software on your Windows PC, you can unpartition a hard drive using Disk Management. This tool allows you to unpartition data storage drives like D, E, or F. Here's how to unpartition or delete a partition using Disk Management: 1. **Access Disk Management:** - Press `Win + X` keys together and choose "Disk Management" from the menu that appears. 2. **Find the Partition You Want to Unpartition:** - In the Disk Management window, locate the partition you wish to remove (e.g., Drive D, E, or F). 3. **Shrink the Volume (Optional):** - If you want to keep a portion of the partition, right-click on the partition and select "Shrink Volume." Follow the prompts to reduce its size, leaving unallocated space. 4. **Delete the Partition:** - Right-click on the unallocated space or the partition you want to delete and choose "Delete Volume." 5. **Confirm the Action:** - A warning message will appear, asking you to confirm the deletion. Click "OK" to proceed. 6. **Extend Another Partition (Optional):** - If you shrank a volume earlier, you can now extend another partition by right-clicking on it and selecting "Extend Volume." Follow the wizard to incorporate the unallocated space. 7. **Save Changes:** - The changes will be applied, and the partition will be removed or resized accordingly. Make sure to save any important data before proceeding, as this process cannot be undone. After completing these steps, your hard drive will have the desired partition layout.

Step 1. Right-click the Start Menu, and select "Disk Management".

Resize Partition in Disk Management

Step 2. Right-click the drive or partition and select "Delete Volume" in the Disk Management window.

Delete Volume in Disk Management

Step 3. Choose "Yes" to proceed with the removal. This successfully deletes or removes your Windows 10 disk.

Then, the deleted partition becomes unallocated space. You can perform further operations on the unallocated space.

3 - Unpartition a Hard Drive with DiskPart

If you're familiar with the CMD command, you can execute the command lines below. These commands allow you to delete or unpartition a hard drive in one go. Here's how to unpartition a hard drive using CMD:

Step 2. Enter the following commands one by one to delete a partition from your computer:

    Here are the translations of the provided commands from Chinese to English:
  • diskpart
  • list disk
  • select disk #
  • list partition
  • select partition #
  • delete partition
  • These are actually command-line instructions for the Diskpart utility in Windows, where "#" represents a numerical value that you would replace with the specific disk or partition number you're referring to.

Step 3. Type exit to close the Command Prompt window.

how to unpartition hard drive Windows 10 using CMD

Conclusion

You've learned three methods to unpartition a hard drive on Windows 11/10/8.1/8/7. The most recommended way is to use Partition Master for unpartitioning the hard drive. It offers a straightforward process. Additionally, if you need to recover a deleted partition, this tool can assist you as well.

Frequently Asked Questions About Unpartitioning a Hard Disk Drive

In this section, we've gathered some fascinating topics about unpartitioning a disk drive. If you're interested in learning more, follow along and find the answers here:

**1. What happens when you unpartition a hard drive?**

When you unpartition a hard drive, here's what will typically occur:

    Here are the translations of the provided text into English:
  • Existing data gets deleted or removed.
  • Existing data is deleted or removed.
  • Existing partitions gets deleted.
  • Existing partitions are deleted.
  • Unallocated partition space get freed up and combined as one.
  • Unallocated partition spaces are freed up and merged into one single space.

Yes, of course. You can delete or remove partitions from an SSD to free up unallocated space for various uses. To do this, you can select any of the methods provided above on this page for assistance.

Yes, of course. You can directly delete all partitions on a hard drive using various disk partitioning tools such as Disk Management, tools Partition Master, or DiskPart. 1. **Disk Management:** - Press `Win + X` on your keyboard and choose 'Disk Management' from the menu. - Locate the hard drive you want to delete partitions from. - Right-click on each partition and select 'Delete Volume' or 'Format' (if you want to erase data but keep the partition). 2. **tools Partition Master (Third-party tool):** - Download and install tools Partition Master. - Open the tool and select the hard drive. - Click on the partition you want to delete and then click 'Delete' or 'Format'. - Confirm the action to proceed. 3. **DiskPart (Command-line tool):** - Press `Win + R` to open the Run dialog box. - Type `diskpart` and press Enter. - Type `list disk` and press Enter to view available disks. - Type `select disk n` (replace 'n' with the disk number) and press Enter to select the target hard drive. - Type `list partition` and press Enter to view partitions on the selected disk. - Type `select partition n` (replace 'n' with the partition number) and press Enter to select the partition you want to delete. - Type `delete partition` and press Enter to delete the partition. Remember that deleting partitions will result in loss of data, so ensure you have backups before proceeding.

Here, you can follow the tips outlined to delete all partitions on a hard drive using Disk Management: 1. Press the Windows key + X on your keyboard and select "Disk Management" from the menu that appears. 2. In the Disk Management window, locate the hard drive whose partitions you want to delete. It will be listed under "Disks." 3. Right-click on the first partition you wish to remove and choose "Delete Volume" or "Delete Partition" (depending on the version of Windows). 4. A warning prompt may appear, asking if you're sure you want to delete the volume. Confirm your action by clicking "Yes." 5. Repeat steps 3 and 4 for each additional partition on the hard drive until all partitions are deleted. 6. After deleting all partitions, you'll see an unallocated space. To merge this space into one single partition, right-click on it and select "New Simple Volume." Follow the wizard to create a new partition using the entire free space. Remember that deleting partitions will result in the loss of data. Ensure you have backups before proceeding with these steps.

    1. First, back up all valuable data from the target HDD to an external hard drive. 2. Open Disk Management, right-click on a partition on the target HDD, and choose "Delete." 3. Click "Yes" to confirm. 4. Repeat this process to delete all existing partitions.