USB Drive Showing as Unallocated? 2 Ways to Fix It

Give a try to these quick fixes right away

4 min. read

Updated onOctober 4, 2023

updated onOctober 4, 2023

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Key notes

USB drives having unallocated space means you can no longer access the data stored on the drive or save new data. When the USB drive becomes unallocated, it will have very little storage space available or will not be visible in File Explorer.

If you are looking for ways to allocate the unallocated storage space of a USB drive, keep reading below.

Why does my USB drive have unallocated space?

If the removable drive is showing an unallocated error despite having files and folders, here are the possible reasons for it:

Regardless of why the USB drive is showing an unallocated disk space problem, the methods discussed in this guide will help you easily fix it.

How do I fix unallocated space on the USB Drive?

1. Create a new volume using Disk Management

Once the process is completed, the USB drive that was previously shown as unallocated will now appear as a volume and will be represented by a drive letter.

Disk Management is an in-built tool that lets you manage the storage devices currently attached to your PC, including a USB disk. Thus, you can use the feature to create a new partition on your USB disk to fix the unallocated space problem.

2. Use DiskPart to partition the USB drive

You can use DiskPart, the disk-partitioning command-line utility, to create a new partition and get back the unallocated space on your USB drive.

These are the two ways to create a new volume to fix the USB drive showing unallocated status. Also, if theUSB drive gets detected but is not accessible, implement the solutions listed in this guide.

So, were you able to fix the USB drive showing an unallocated issue by the two methods discussed in this guide? Do let us know in the comments below.

USB Drive Showing as Unallocated? 2 Ways to Fix It#

Why does my USB drive have unallocated space?#

How do I fix unallocated space on the USB Drive?#

1. Create a new volume using Disk Management#

2. Use DiskPart to partition the USB drive#

USB Drive Showing as Unallocated? 2 Ways to Fix It

Why does my USB drive have unallocated space?

How do I fix unallocated space on the USB Drive?

1. Create a new volume using Disk Management

2. Use DiskPart to partition the USB drive