

In the example above, Drive D is between the Unallocated Storage and the Drive C (the drive we want to extend). The obvious way to do so is Remove the drive between the unallocated space and the drive you want to extend. To Extend Drive C, I will have to bring the available space near drive C. In the image above, the unallocated space isn’t adjacent to the drive I want to extend. How to Resolve the Extend Volume Button Greyed Out error? I know this sounds Stupid, but it is the way it is. Hence, when I would want to Extend Drive C, the Extend Volume option will be greyed out because the unallocated/available space isn’t adjacent to the Drive C. The Available Space has to be adjacent to the drive you want to extend in Disk Management.Īs can be seen in the image above, the Unallocated Space marked with the red outline is adjacent to Drive D and Drive E. There is a small catch in the disk management that you have to keep in mind in order to extend volume of the drive. There is a big chance that people who shrink the volume of other drive to extend the volume of Drive C will find Extend Volume greyed out. Most of us choose to install Windows and other software on the system in the Drive C. Reason why Extend Volume is Greyed Out?Ī lot of people try and extend storage space in the Drive C because it is the drive we harshly underestimate the importance of and is most useful drive on the hard disk. All you have to do is just make sure that the drive you wish to delete doesn’t have anything in it. While extending volume of the drive by shrinking is the obvious option, deleting isn’t any harder. In order to free up space on your hard drive to extend the volume of a drive, you have to shrink the volume of other drives or delete another drive. How to Free Up space if you don’t have available space to Extend Volume? Step 5: Click Next to go the next step and Click Finish on the next tab.

Note: You can’t extend the storage for more than the available space and you have to have the free space available on the computer. You can see the available space that can be used to extend volume of the drive.

Step4: Enter the amount of space you want to EXTEND to the selected drive.
