Your USB drive is not showing the entire disk space which should be available. It is a 16GB flash drive but it is only showing a disk space of few MBs. You are worried because you have many important files stored in the USB flash drive.
This is known as unallocated disk space, and it cannot be used until the disk space is allocated. This space may include files, program files, and other fragments generated by the operating system. Unallocated space in USB drive or even hard drive occurs due to loss of partition. You can check if the partition is lost by following these instructions –
So next let’s see how to recover unallocated USB flash drive space on Windows system.
Using Command Prompt
Diskpart helps you to create a partition to fix unallocated USB flash drive space issue. Now you can format the USB drive. So now the unallocated space on the drive will be made accessible, and you can use it. But be careful while doing it else you risk losing entire data from the drive. If you have unfortunately lost data from the USB drive, then make use of Remo SD Card Recovery software to restore data from it.
Restore Unallocated USB Drive Space on Windows PC:
Remo Data Recovery software will recover data from the unallocated space in USB drive on Windows PC easily. All the files present in the flash drive like media files, Office files, PDF documents, compressed archives, etc., will be retrieved. The tool helps to restore data from formatted internal hard drives, and various other portable devices like memory cards, external hard disks, FireWire drives, and so on. It is capable of performing data recovery from LaCie external drive, Kingston flash drive, Transcend, Sony, SanDisk, and so on.
Supported Windows OS: Remo Recover supports data recovery from unallocated drives on Windows 10, Windows 8, Windows 7, and other Windows OS versions.
Step 1: Download and install Remo Recover software on your Windows system. Launch the application. Connect your USB drive to the system. Select "Recover Partitions" option from main screen. After that, the tool displays all the available drives in the system. Choose the appropriate drive and click Scan button to initiate the scanning
Figure A: Main Screen
Step 2: Now, the software starts scanning the drive to find unallocated space in the drive. Once scanning is completed, it displays all the partitions of the USB drive. next choose the partition from where you want to recover unallocated space and click Scan button
Figure B: Select USB Partition
Step 3:On completion of scan a list of recovered files are displayed. You can view the recovered files in Data View or File Type View
Figure C: Recovered Data View
Step 4: Preview the recovered files using Preview option
Figure D: Preview Recovered Data
Step 5: After evaluating the recovery results, if you are completely satisfied with the tool, you can activate the license key of the software to save the recovered files at your destination location
Figure E: Save Recovered Data