The Diskpart command in Vista now lets you shrink a volume by using the Shrink subcommand, see here for details. This can be useful if you have only one hard disk and a C: drive that fills the disk, ...

If you find that the Extend Volume option is grayed out or disabled in Disk Management Tool in Windows 11/10, then this post will explain why this happens & what you can do about it. We can use the ...