Note: Once you allocated the entire physical hard disk to C drive and no more partitions available next to it then ‘Extent Volume’ will be disabled.
![cannot extend c drive cannot extend c drive](https://www.diskgenius.com/how-to/img/how-to-extend-c-drive-04.png)
Here I selected the entire unallocated space.Īfter successfully merged the free space, here is the extended partition. You can adjust the space to merge with C drive. Now, right click on C drive and select Extend volume.Īdd the available unallocated space in the next screen. ( Right-click on volume and select delete volume)
#CANNOT EXTEND C DRIVE FULL#
Take a full backup and delete the D volume. ‘Extend Volume’ option is disabled in disk management when I tried without deleting the D drive.
#CANNOT EXTEND C DRIVE HOW TO#
How to Split partitions in Windows 7 Let’s Do itġ) Let me extend C partition in below example. In this case, we can use empty NTFS folder from different physical disk. It requires empty space next on same physical hard disk. Make sure to take backup of your data on D before deleting it.Ģ) If you have 80GB hard disk and the whole space allocated as C drive then this extending feature will not work. Few Issues and Important Considerationsġ) If you have two partitions C and D, D partitions should be deleted to create unallocated space next to C drive. None of the methods require to convert the disk to ‘dynamic disks’, so do it with the basic disk type. Two Ways Extend C drive in Windows 7/8.1 and Windows 10Ģ) Mounting in to empty NTFS folders in different partitions. It’s recommended to take backup of C drive and your Operating System before continue following steps, but it never fails. But some of the programs may face the issue in reading the extended partition which is connected to mounted folder. In some cases, you can mount the folder from other drives and extend to C drive without deleting or formatting other partitions. If you need to delete the other partitions to extend the C drive, then you must do that if extending the C drive is so important. So basic requirement, make some free space next to C drive on the same hard drive. In that case, you need to move the partitions and extend the C drive – which is too complicated and we are not going to discuss that here. Even it will be tough with the other third-party tools if you do not have free space next to C drive.
![cannot extend c drive cannot extend c drive](https://www.eightforums.com/data/attachments/32/32929-c1e4246e8d6d1d57c7aab2ddb682d536.jpg)
If you have C, D, then some free space, this method is not applicable. This free space should be next to the C drive.
![cannot extend c drive cannot extend c drive](https://www.diskpart.com/articles/images/cannot-extend-volume-to-unallocated-space-4125/extend-volume-grayed-out.jpg)
Important point again: To extend the C drive, your hard drive should have free space.