However, at times when users try to extend the volume using the Disk Management tool, some of them noticed that the Extend Volume option is greyed out and they were unable to extend the drive. Here is how to fix the greyed out Extend Volume option in Windows 10.

If you’re unable to extend a drive in Windows 10, check these steps

1. Use AOMEI Partition Assistant to Merge Partition

AOMEI is a free partition assistant tool that allows you to extend and shrink the disk partition without having to delete any other partition. This option is better than the second method, where you would have to delete the D: drive to extend the C: drive volume. Here is how to do it. What to do if you don’t have unallocated space to extend the volume? AOMEI Partition Assistant allows you to allocate free space from the D: drive to C: drive without deleting the partition. Here is how to do it.

Also Read: 5 best partition formatting software for Windows 10 PCs

2. Create Qualified Unallocated Space

The reason why the Extend Volume option is greyed out in the disk management tool is because of the unallocated space is not right contiguous to the C drive. To make it work, you need to put the unallocated space right next to the C drive and then extend the volume. Here is how to do it. To do this, you need to delete the partition next to the C: drive that is D: drive in most of the cases. So, begin with taking the backup of your data in the D: > drive. Once the backup is ready, proceed with the following steps. Now, you will see the partition next to the C: drive is unallocated. You can easily extend the C: volume without any problem.

Wrap Up!

These are the two ways to extend the volume for C: drive and fix the Extend Volume greyed out in the disk management tool. I prefer the first method as it is easier, offers more options, and it does not require deleting any partitions to extend the C: drive. However, if you don’t want to install third-party software to extend the drive, you can go with the second method to the same effect. RELATED STORIES YOU MAY LIKE:

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