Windows 10 format usb drive combine volumes windows#

Press Windows + R, input “diskpart” and hit Enter key. Thus, you don’t need to suffer from data loss caused by partition deletion. It enables you to merge the existing partition on USB flash drive with unallocated space directly. Merge USB partitions using Diskpart ĭiskpart, another Windows built-in tool for disk and partition management.

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▪ If the OS that your PC is running is older than WindVersion, you can’t delete volume on USB flash drive as “Delete Volume” will be greyed out in Disk Management. ▪ If there are two partitions or multiple partitions, you need to delete all partitions one by one and then create a new partition. Finally, you can see that there is only one partition on the pen drive. Follow the wizard to complete the operation. Right click it and choose “New Simple Volume”. Now, you can see the USB drive shows as an entire block of unallocated space.

Confirm that there are no important files or that you have backed them up to another place. Then, you’ll be prompted that all data on the volume will be erased. Right click the partition on the USB flash drive and choose “Delete Volume”. What you need to do is to delete the first partition and then create new partition on the whole unallocated space. Since the Extend Volume option is greyed out, you can’t merge the existing partition with the unallocated space directly within Disk Management. I want to extend F with the unallocated space but “Extend Volume” is greyed out? Then how can I merge USB partition F with unallocated space” I go to Disk Management and find that it has two partitions: partition F and Unallocated. “I have a 64GB USB flash drive but it only shows 32GB on File Explorer.

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While you can use Spanned or Striped volume on Windows 10 Home and Windows 10 Pro, you can also use these instructions on Windows 8.1 and even Windows 7.įinally, it's worth pointing out that thanks to Windows 10 flexibility, you can also use Storage Spaces to create a single volume using multiple drives.Can’t merge the two partitions on USB drive If you're looking to increase read and write performance, while creating a large volume from multiple drives, perhaps Striped volume is the best solution. If you're looking to combine different hard drive sizes to create a large volume, then your better option may be Spanned volume. The best solution for you will depend on what you're trying to accomplish. In addition, both Spanned and Striped volumes do not use parity, which means they the don't provide fault tolerance - if one drive fails you will lose the data on all hard drives -so make sure to create regular backups of your computer. The only caveat with these solutions is that you cannot use hard drives containing a Windows installation as the operating system can't boot from a Dynamic disk. You'll be prompted to convert the hard drive from basic to dynamic, click Yes to complete the task.Īnother difference between these two solutions is that you can easily add more hard drives to your computer to extend a Spanned volume, something that is not supported on Striped volumes.

Check the Perform a quick format option.

Make sure the file system is set to NTFS, allocation unit size is set to default, and choose a volume label.

Leave the default drive letter assignment and click Next.

Select the additional disks, one by one, and click Add.

Right-click the unallocated space of the drive and select New Striped Volume (or New Spanned Volume).

Repeat steps 2 and 3 on the hard drives you want to combine.

Click Yes to confirm the deletion of the current volume and all its content.

Right-click the hard drive volume and select Delete volume.

Use the Windows key + X keyboard shortcut to open the Power User menu and select Disk Management.

It's important to note that you will erase the content of the hard drives participating of the Spanned or Striped volume, as such make sure to backup the data before proceeding.

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How to combine multiple hard drives into one large volume

In this Windows 10 guide, we'll walk you through the steps creating one large volume combining multiple hard drives.