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:

Malware infection – A virus attack or malware infection spread from an unprotected computer can result in unallocated disk space. Scan the removable drive with a third-party antivirus to get rid of the viruses. Incomplete deletion of data – Any interference when deleting the data stored on the USB can be why the USB drive suddenly has unallocated space. Unsuccessful partition – Unsuccessful attempts to partition the USB drive or change the partition system can be why the pen drive shows unallocated status. Failed formatting attempt – Incorrect formatting or accidentally deleting the partitions can also cause the external drive to become unavailable for data storage.

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. SPONSORED 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 the USB 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.

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