How to Remove Partition on External Hard Drive in Windows 10

Jean updated on Aug 31, 2020 to Partition Manager | How-to Articles

How to remove partition on external hard drive:

delete system reserved partition on external drive

  • In Windows 10, you can easily open the Disk Management console by right-clicking Start button and choose "Disk Management option from the Start menu". 
  • In Disk Management, locate the external hard disk and the partition you want to remove
  • Right-click on the partition and select Delete Volume from the context menu.

How to Remove a Partition From External Hard Drive in Windows 10

"I just purchased a 500gb external USB HDD. It has a small partition of 400mb that I want to combine with the other partition to have one partition. The small partition is reported as a CD drive and UDF file system and has data. The large partition is an NTFS partition. What is the best way to delete the small partition? Can I or should I do it form Disk Management?"

how to remove partition on external hard drive windows 10 - user situation

3 Ways to Remove Partition on External Hard Drive Windows 10

The guide of external hard drive partition removal in Windows 10 applies to all the people who have the demands similar to the following examples.

  1. 1. Try to partition a new external hard drive into several chunks.
  2. 2. Windows asks you to delete a partition on an external hard drive for a clean install.
  3. 3. Remove all the external hard drive partitions before sending it away.
  4. 4. Can't delete external hard drive partitions in your way.

We cannot think of all the scenarios of deleting a partition or partitions on an external hard drive in Windows 10/8.1/8/7/XP/Vista or even in Windows Server. However, this post almost covers all the possible solutions you could find on the internet. So, just read on and pick up one to make it manageable for you.

  1. Solution 1. Use EaseUS Partition Master Free (Recommended)
  2. Solution 2. Try Windows 10 Disk Management
  3. Solution 3. Run Windows 10 Command Prompt

Tip: Prepare an external hard drive enclosure so that you can put the drive in it and plug it into your Windows 10 computer. Make sure that your Windows 10 computer recognizes your external drive and assigns it a drive letter.

Solution 1. Remove Partition on External Hard Drive via EaseUS Partition Master Free

The most reliable way to delete a partition or partitions on a hard drive or external hard drive is using third-party software. Here are the reasons for using free partition software:

  • It is free and easy-to-use
  • The user interface is clear and easy
  • You can get additional tech support
  • The software has many other highlights like migrating OS, wiping HDD, resizing partitions and more

Click the download button to download EaseUS Partition Master Free. It's a free partition manager that comes with tons of hard drive partition management features. Follow the steps below to remove hard drive partitions.

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 Windows 10 is supported

1. Connect your SD card, USB or external hard drive to PC before the deletion.
2. Save important data from the external storage device to another secure location in advance.

Step 1: Launch EaseUS Partition Master on your PC

On the main interface, right-click on the partition of the SD card, USB or external hard drive and select "Delete".

Delete partition on external storage device

Step 2: Confirm the deletion

Click "OK" to confirm that you need to delete the partition on the selected device.

Confirm to delete partition on the external storage device

Step 3: Keep changes

Click the "Execute Operation" button at the top corner and save all changes by clicking "Apply".

Compelete deleting partition on SD/US/external hard drive
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 Windows 10 is supported

Solution 2. Remove Windows 10 Partition on External Hard Drive with Disk Management

You can also remove external hard drive partitions with Disk Management. It is provided by Windows OS for the purpose of performing basic disk management operations, such as delete partition, format partition, create a partition, shrink volume, etc. Learn how to remove partitions on the external hard drive using Windows 10 Disk Management.

Step 1. Open Windows 10 Disk Management program. You got the three easiest ways to go.

  • Navigate to "This PC > Manage > Disk Management".
  • Enter diskmgmt.msc in the lower-left search box and click diskmgmt.msc on the list.
  • Press Windows + R to open "Run > type diskmgmt.msc" in the empty box and tap "OK".

Step 2. Locate the external hard drive in the Disk Management interface, right-click on the partition you don't want anymore, and select "Delete Volume..."

Step 3. Click "Yes" to permit Windows 10 to delete the selected partition of the external hard drive.

how to remove partition on external hard drive windows 10 using disk management

After the operation, your deleted partition will turn to an unallocated space without a drive letter.

Solution 3. Delete Partitions on External Drive via Windows 10 Command Prompt

If you are familiar with the command line, you can remove partitions in this way. Here are the details on how to remove a partition on external hard drive Windows 10.

Step 1. Press Windows + X to invoke a list where you can find Command Prompt (Admin). Click it to open the Windows 10 Command Prompt window.

Step 2. Input diskpart, and type the following command lines each after and press enter. 

  • list disk (All your hard disks will appear, and they are listed as disk 0, disk 1...)
  • select disk + number (Select disk 1 if your external hard drive is disk 1)
  • list partition (All your external hard drive partitions will appear)
  • select partition + number (Select partition 1 if you are trying to delete partition 1 on your external hard drive)
  • delete partition (This command deletes the selected partition)

how to remove partition on external hard drive with cmd

After putting all those demands, you can delete the partition off from your external hard drive completely.

Additional Help - How to Partition a Hard Drive in Windows 10/8/7

After deleting the partitions, the partition space will be turned into unallocated space. You can resize the external hard drive by extending partition space, creating a new partition, and more. EaseUS Partition Master can partition a hard drive or external hard drive with simple steps:

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 Windows 10 is supported


That's all the way to remove/delete a partition on the external hard drive in Windows 10/8/7. You can also try these methods if you want to delete partitions on an SD card, USB drive, an SSD drive, and more. If you want to repartition your device after the removal, turn to EaseUS partition software.  It can do you a great favor in managing disk space and improving performance.

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Frequently Asked Questions

Why Choose EaseUS Partition Master?

"I've used Partition Master Professional many times to create, delete, format, move, rename, and resize partitions."PCWorld

"Partitioning tools have come a very long since the days of complicated command line utilities and EASEUS Partition Master is one of the most advanced programs available."TECH ADVISOR

"I love that the changes you make with EaseUS Partition Master Free aren't immediately applied to the disks. It makes it way easier to play out what will happen after you've made all the changes."Lifewire

Will the "Migrate OS" feature transfer the Windows system files only or the whole C drive?

To ensure that the migrated system will boot normally, the Migrate OS feature will transfer all the files in the system and the boot partitions. Generally, the boot partition is the C drive so the transfer will include all the files in C.

Does EaseUS Partition Master license apply to multiple computers?

The license of Partition Master Professional and Server editions can be used on 1 computer only, while that for for the Technician and Unlimited editions can be used on multiple machines.

What is the difference between EaseUS Partition Master Trial version and the Free version?

Free is for home users only, with most basic functions available such as partition resize and clone. While trial can help you understand how this product works and test what a full license can do on a business or server OS machine.

Will it cause any data loss after resizing the partition in EaseUS Partition Master?

Generally, it will not cause any data loss or boot issue by resizing a partition. However, in order to protect your data, we suggest that you backup the partition before resizing, in case of any unexpected situations such as power outages, computer hardware failures, etc. You can use EaseUS Todo Backup to backup the partition and its trial version is fully functioned for 30 days.

What should I prepare before resizing the partition?

On the partition that is going to be operated, there might be some files being occupied by other programs. To ensure a successful operation, we suggest that you close all the unnecessary software before resizing that partition. Otherwise, EaseUS Partition Master will detect the partition being locked by the other software and require a reboot to resize the partition under boot mode.

About EaseUS Partition Master

All-round disk & partition management software for personal and commercial use. Let it manage your storage drive: resize, format, delete, clone, convert, etc.

Video Tutorial

How to Partititon a Hard Drive on Windows 10/8/7