* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions. Nonetheless, you can learn more about this issue and how to solve it below. One of the reasons which option can be greyed out is volume format type. Extending volume can be really needed in some cases, when you are almost out of space on your system volume or any other primary partitions.
However, according to reports, Extend Volume option in Disk Management is grey out which means users are able to extend particular volume. Disk Management is a build-in tool in Windows that you can utilize to maintain partitions on your hard Disk ie create, delete or extend volumes. There have been several reports submitted by users which state that the Extend Volume option in Disk Management tool is grey out.
