

"I have unallocated space, but I cannot extend the volume to the blank space. Otherwise, the “Extend Volume” will be disabled.Ģ. You should know the “Extend Volume” function only works when the unallocated space is in the adjacent right side of the to-be-extended volume. However, when I try to use "Extend Volume" function of Disk Management tool to add the unallocated space to the system partition, I found it is grayed out." "I have unallocated space at the end of the hard drive, and I want to extend my system partition with it. Many users may meet the problem that Extend Volume grayed out. Why cannot extend volume to unallocated space? Unfortunately, you may find that the Extend Volume grayed out and you can't extend volume to unallocated space as expected. Just open the Disk Management, right-click the partition which you want to extend, and then select the "Extend Volume" in the drop-menu. If there is unallocated space available on the hard drive, you can extend the volume by adding into the allocated space using the “Extend Volume” feature of Windows 11, 10, 8, 7 built-in Disk Management tool.

If other partitions have enough space on the hard drive, you can move programs from C drive to the partition that has enough space. Then, you will need to extend the small volume or even to upgrade to larger disk if the capacity of your existing hard disk is too small. Especially when C drive is full of applications and data, the running speed of your machine will reduce significantly. This will influence the computer performance. When partitions are not divided properly, you may encounter a problem that some partitions are running out of space, as time goes by. Unable to extend partition with unallocated space
Why cannot extend volume to unallocated space?.Unable to extend partition with unallocated space.
